What is CSEEL and what does it offer?

CSEEL (Center for Scientific Exploration and Experiential Learning) is a premier Indian STEM educational initiative offering hands-on science experiments, 3D live laboratory simulations, curriculum-aligned project kits, teacher training workshops, and national science conclaves aligned with NEP 2020.

How does CSEEL support NEP 2020 experiential learning?

CSEEL shifts education from rote memorization to active inquiry and hands-on experimentation. Students observe, build, analyze, and apply scientific concepts to real-world challenges, developing critical thinking and scientific temper as envisioned by NEP 2020.

What subjects and classes are covered in CSEEL simulations and experiments?

CSEEL provides comprehensive physics, chemistry, biology, environmental science, and applied robotics experiments and virtual simulations for students from Class 6 through Class 12, mapped to CBSE, ICSE, and state curricula.

How can schools, educators, and students access CSEEL programs?

Institutions, teachers, and students can explore live simulations, order DIY lab kits, register for national seminars, and join the CSEEL EduNetwork by visiting https://www.cseel.org.

CBSE SARAS SOP Verified

Official CBSE Material Checklist October 2026• 6 min read•By Devendra Singh

Materials, Apparatus & Chemicals for CBSE Composite Science Lab

Devendra Singh

STEM & CBSE Lab Architect • CSEEL EdTech

Materials, Apparatus & Chemicals for CBSE Composite Science Lab - CBSE Composite Science Lab Guide

Official CBSE Material Checklist

Official 49+ Non-Consumable Apparatus, 18 Chemicals & 15 Biological Specimens as per SARAS SOP

Essential Compliance Highlights (Official CBSE Material Checklist)

Complete pre-audited kit containing all 49 non-consumable items and 18 chemicals as per CBSE SARAS SOP

High-precision optical apparatus: 10 compound microscopes, 10 concave/convex mirrors, glass prisms & lenses

Chemistry glassware & heating: 20 boiling tubes, beakers, conical flasks, separating funnels & Bunsen burners

Freshly prepared lab-grade chemicals in leak-proof, color-coded safety bottles with hazard labels

Permanent biological slide sets & museum-grade specimens (Amoeba, Hydra, Spirogyra, Silkmoth Life Cycle)

Mandatory Equipment, Apparatus & Chemical Specifications

Under Clause 6 of the official CBSE SARAS Composite Science Laboratory SOP, every secondary school must maintain an exact inventory of 49 non-consumable equipment items, 18 essential chemicals, and 15 preserved biological specimens/permanent slides. This inventory is calibrated specifically for a practical batch of 40 students working concurrently under a science teacher.

Official Material Register Export

Download Complete 82-Item Lab Inventory in Excel

Includes 49 Apparatus, 18 Chemicals & 15 Preserved Specimens with quantities & specifications.

SARAS SOP PDF

1. Mandatory 49 Non-Consumable Apparatus Checklist

Official Clause 6(a) Itemized Register with Photo Preview (Click photo to enlarge)

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#	Apparatus / Equipment Name & Specs	Mandated Quantity	Discipline
1	Assembled Compound Microscope Triple nosepiece, 10x/40x objectives, plan-concave mirror	10 Units	Biology
2	Test Tubes 15x125mm, Borosilicate 3.3 heat-resistant glass with rim	10 Units	Chemistry
3	Boiling Tubes 25x150mm heavy wall thermal shock proof glass	20 Units	Chemistry
4	Beakers (100ml) 100ml graduated with spout, ISO 3819 standard	10 Units	Chemistry
5	Beakers (500ml) 500ml double metric scale, high chemical durability	5 Units	Chemistry
6	Conical Flasks 250ml Erlenmeyer narrow neck with white enamel markings	5 Units	Chemistry
7	Tripod Stands Triangular cast iron top 150mm, zinc plated mild steel legs	10 Units	General
8	Wire Gauze with Asbestos Center 150x150mm ceramic/asbestos center wire mesh for flame dispersion	10 Units	General
9	Filter Paper Boxes Whatman No. 1 equivalent 11cm qualitative circular discs	10 Boxes	Chemistry
10	Wooden Assembling Storage Boxes Polished teak wood partitioned storage box for optics & glassware	5 Units	General
11	Small Funnels (Glass & Plastic) 60-degree angle, 50mm diameter stem for filtration	10 Glass + 10 Plastic	Chemistry
12	Big Funnels (Glass & Plastic) 75mm diameter wide stem for bulk liquid transfer	5 Glass + 5 Plastic	Chemistry
13	Spatulas (Stainless Steel) SS 304 grade 150mm one spoon end and one flat end	20 Units	Chemistry
14	Round Bottom Flasks (Small) 150ml borosilicate round base for distillation setups	5 Units	Chemistry
15	Laboratory Thermometers (-10°C to 110°C) Red spirit/mercury filled, 1°C graduations, 300mm length	10 Units	Physics
16	Glass Stirring Rods 200mm × 6mm polished rounded ends borosilicate glass	10 Units	Chemistry
17	Droppers (Big & Small) Borosilicate pipette stem with high-elasticity rubber teat	10 Big + 10 Small	Chemistry
18	Deflagrating Spoons Brass cup with stainless steel rod and vapor cork stopper disc	5 Units	Chemistry
19	Plane Mirrors with Stands 100x75mm optical float glass silvered with wooden support stands	10 Mirrors + 10 Pairs Stands	Physics
20	Test Tube Holders Chrome plated spring brass wire clamp with wooden grip handle	10 Units	Chemistry
21	Dissection / Lab Scissors Stainless steel 125mm sharp/blunt surgical points for botany practicals	4 Units	Biology
22	Science Display Wall Charts Laminated 75x100cm periodic table, human anatomy & ray optics	15 Charts	General
23	Portraits of Eminent Scientists Framed portraits of Newton, Raman, Curie, Einstein, Bose, APJ Abdul Kalam	20 Portraits	General
24	Concave Mirrors (Focal length 15cm/20cm) 50mm diameter optical glass with protective lacquer coating	10 Units	Physics
25	Concave Lenses 50mm optical crown glass, bi-concave with true focal mark	10 Units	Physics
26	Convex Mirrors 50mm diameter spherical divergent mirror for focal length verification	10 Units	Physics
27	Convex Lenses 50mm bi-convex converging lens (focal length 10cm, 15cm, 20cm)	10 Units	Physics
28	Separating Funnels 125ml pear-shaped with PTFE stopcock for immiscible liquids	10 Units	Chemistry
29	Porcelain China Dishes 75mm glazed porcelain evaporating basin with pouring spout	10 Units	Chemistry
30	Petri Dishes with Lids 90x15mm borosilicate glass culture dishes with loose cover lids	10 Units	Biology
31	Dissecting Needles Stainless steel pointed straight & curved needles with plastic handles	10 Units	Biology
32	Spring Balances (0–250 gm) Tubular acrylic clear body with zero-adjust hook (0-250g / 2.5N)	4 Units	Physics
33	U-Shaped Magnets Strong Alnico horseshoe magnet with steel keeper bar	5 Units	Physics
34	Bar Magnets (Alnico) Pair in wooden box with keepers, north-pole stamped (75mm)	10 Units	Physics
35	Iron Filings Boxes Degreased fine iron filings in sprinkler dispenser containers	4 Boxes	Physics
36	Retort Iron Stands with Clamps Heavy cast iron base 200x125mm with 600mm nickel-plated steel rod	4 Units	General
37	Thumb Pins for Optical Boards Plastic head rust-free steel pins for securing drawing paper	2 Boxes	Physics
38	Bunsen Burners with Gas Tubing Heavy brass base with air regulator collar and neoprene gas hose	As per Gas Pipeline Outlets	Chemistry
39	Glass Prisms (Equilateral 50x50mm) Crown optical glass, polished surfaces for light spectrum dispersion	4 Units	Physics
40	Gas Jars with Glass Lids 200x50mm heavy thick glass cylinder with ground rim glass cover	4 Units	Chemistry
41	Crucible / Beaker Tongs Nickel plated steel 200mm bowed jaws for hot glassware safety	5 Pairs	Chemistry
42	Pin Hole Cameras Adjustable sliding wooden dual box with translucent ground screen	4 Units	Physics
43	Kaleidoscopes Triangular mirror optical tube with colorful glass object chamber	5 Units	Physics
44	Magnetic Compasses (Plotting) Aluminum body 25mm double-pivot magnetized plotting needle	5 Units	Physics
45	Laptop / Desktop Computing Station Core i5/Ryzen 5 processor, 16GB RAM, SSD, dual HDMI for digital simulations	2 Complete Sets	General

2. Mandatory 18 Chemical Reagents & Consumables

Official Clause 6(b) Lab-Grade Chemical Reagents with Proper Packaging

18 Mandatory SKUs

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#	Chemical Reagent Name	Formula / Purity Grade	Mandated Packaging	Laboratory Purpose / Application
1	Iodine Solution (Starch test)	I₂ in KI (Lugol's)	200 ml	Food nutrient tests, starch detection in photosynthesis
2	Copper Sulphate Crystals	CuSO₄·5H₂O	200 gm	Water of crystallization, displacement reactions, Biuret test
3	Sodium Hydroxide Pellets (NaOH)	NaOH (Lab Grade 97%)	200 gm	Base properties, saponification, acid-base neutralisation
4	Hydrochloric Acid (Dilute & Concentrated HCl)	HCl (Dilute 1N & Conc. 35%)	200 ml each	Acid reactivity with metals, carbonates & neutralisation
5	Magnesium Ribbon Coils	Mg (Pure Ribbon)	4 Coils	Combustion in air, basic oxide formation, exothermic reactions
6	Sulphur Powder	S₈ (Precipitated)	200 gm	Non-metal combustion, iron-sulphur compound synthesis
7	Zinc Granules	Zn (Pure Granular)	2 Bottles	Hydrogen gas evolution reactions with dilute acids
8	Sodium Chloride (Pure NaCl)	NaCl (Analytical Grade)	2,000 gm	Electrolysis, solubility saturation, cooling mixtures
9	Litmus Paper Booklets (Red & Blue)	Natural Lichen Indicator	20 Booklets each	Acid and base pH identification in aqueous solutions
10	Methyl Orange Indicator	C₁₄H₁₄N₃NaO₃S (0.1% sol)	2 Bottles	Acid-base volumetric titration endpoint indicator (Red to Yellow)
11	Phenolphthalein Indicator Solution	C₂₀H₁₄O₄ (1% in ethanol)	2 Bottles	Colorless to pink endpoint transition in neutralisations
12	Fresh Lime Water Solution	Ca(OH)₂ (Aqueous)	Prepared in lab	Carbon dioxide gas confirmation (milky turbidity test)
13	Ethanol / Lab Alcohol	C₂H₅OH (99% Absolute)	1,000 ml	Chlorophyll decolourisation in leaf starch experiments
14	Glass Microscope Slides Boxes	75x25mm Float Glass (72/box)	10 Boxes	Temporary mounts (onion peel, human cheek cells, stomata)
15	Glass Cover Slips Boxes	18x18mm Square No. 1 Glass	10 Boxes	Specimen mounting without air bubbles for microscopic study
16	Hand Wash & Antiseptic Sanitizer	Antiseptic chlorhexidine/alcohol	2 Bottles each	Hygiene, post-experiment disinfection & chemical clean-up
17	Safety Matchboxes	Friction strike safety matches	3 Boxes	Lighting Bunsen burners & deflagrating spoons safely

3. Biological Permanent Slides & Preserved Museum Specimens

Official Clause 6(c) Museum Jars, Microscopic Mounts & Anatomical Models

15 Preserved Specimens

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#	Specimen / Slide Name	Type / Mount	Mandated Quantity	Microscopic Observation / Syllabus Topic
1	Insectivorous Plant Specimen	Preserved Museum Jar	3 Units	Pitcher plant / Utricularia showing leaf modification & digestive trap
2	Hydrilla Plant in Preservative	Preserved Botanical Specimen	2 Units	Submerged aquatic plant morphology for oxygen evolution practicals
3	Model of Human Dentition	3D Anatomical Plastic Model	2 Sets	Incisors, canines, premolars & molars with root anchorage structure
4	Functional Model of Simple Pendulum	Mechanical Physics Model	2 Sets	Oscillations, length vs time period squared (T²) proportionality
5	Complete Life Cycle of Silkmoth	Mounted Display Showcase	2 Sets	Egg, larva (silkworm), cocoon, pupa and adult male/female moth
6	Root Nodules of Leguminous Plant	Preserved Botanical Specimen	2 Units	Rhizobium nitrogen-fixing symbiotic nodule morphology
7	Bacteria Slide (Bacilli, Cocci, Spirilla)	Permanent Stained Slide	2 Each	Rod-shaped, spherical and spiral bacterial shapes under 400x
8	Amoeba Proteus Permanent Slide	Permanent Mounted Slide	2 Slides	Unicellular protozoan with pseudopodia, nucleus and contractile vacuole
9	Amoeba Binary Fission Permanent Slide	Permanent Stained Slide	2 Slides	Asexual reproduction showing karyokinesis and cytokinesis constriction
10	Hydra Budding Permanent Slide	Permanent Stained Slide	2 Slides	Adult hydra with lateral bud outgrowth and tentacles formation
11	Bread Mould (Rhizopus) Slide	Permanent Mounted Slide	2 Slides	Fungal mycelium, hyphae, sporangiophores and spherical sporangia
12	Spirogyra Filament Slide	Permanent Stained Slide	2 Slides	Green filamentous alga with characteristic spiral ribbon chloroplasts
13	Budding in Yeast Permanent Slide	Permanent Stained Slide	2 Slides	Saccharomyces yeast cells with developing daughter cell buds
14	Paramecium Caudatum Slide	Permanent Stained Slide	2 Slides	Slipper animalcule showing cilia, oral groove and macronucleus
15	Chlamydomonas Permanent Slide	Permanent Stained Slide	2 Slides	Unicellular biflagellated green alga with cup-shaped chloroplast

Critical Affiliation Inspection Note: Glassware & Chemical Storage

CBSE inspection committees strictly reject cheap unbranded soda-lime glass test tubes and ungraduated beakers because they crack under direct flame. All glassware supplied by CSEEL is 100% Borosilicate 3.3 laboratory glass with permanent ceramic enamel graduations. All concentrated acids must be stored inside locked double-door metal/wooden cupboards away from student workbenches.

Frequently Asked Questions (Official CBSE Material Checklist)

Can a school buy local chemicals and glassware for CBSE affiliation?

CBSE inspection committees verify standard specifications, graduated measurements on beakers, and chemical expiry/purity. Unbranded or non-calibrated apparatus can lead to affiliation show-cause notices. CSEEL provides pre-certified laboratory sets that comply directly with CBSE inspection criteria.

How many students does this material kit support?

The CBSE SARAS SOP is strictly designed for a batch of 40 students working concurrently (or in pairs of 20 workstations) under a teacher.

What is the shelf life of the chemical reagents included in the package?

All reagents are dispatched fresh in airtight borosilicate and HDPE bottles with a minimum shelf life of 2 to 3 years.

Tags:#CBSEAffiliation#CompositeLab#SARASSOP#STEMIndia#Official CBSE Material Checklist

Devendra Singh

Lead Educational Infrastructure Consultant at CSEEL. Specialized in CBSE SARAS affiliation norms, Atal Tinkering Labs (ATL), and NEP 2020 STEM experiential lab setups across India.

Next Certified Vendor & Turnkey Setup Partner for CBSE Composite Science Lab

Turnkey School Infrastructure

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School Campus Modernization

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CSEEL offers integrated turnkey packages for Composite Labs, Atal Tinkering Labs (ATL), AI & Robotics Suites under a single audit-ready warranty with 3D CAD plans.

GeM & State Tender CompliantTurnkey Deployment

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