Rules for storing hydrogen cylinders in India:

 Here are some rules for storing hydrogen cylinders in India:

Location: Store cylinders in a cool, dry, well-ventilated place under cover, away from heat sources, and in an isolated area. 

Storage shed: The storage shed should be made of fire-resistant materials. It should also have a roof to protect from direct sunlight. 

Separation: Store cylinders separately based on their contents, such as hydrogen, oxygen, and flammable gases. Incompatible cylinders should be kept at least 3 meters apart. 

Inventory: Keep an up-to-date inventory of the cylinders. 

Valves: Ensure all valve openings are tightly shut. 

Thin-walled cylinders: Do not stack thin-walled cylinders horizontally. 

Combustible materials: Do not store cylinders with combustible materials. 

Exit routes: Do not store cylinders in exits or egress routes. 

Distance from flammable materials: Keep the area within 20 feet of a hydrogen container away from flammable materials and oxidizing gases