Endless inventry in electrical coaching , whats the remedy?

Inventry management is becoming more and more difficult in electrical coaching with time. Just have a look:-

• Fans:- 6 types.
• Lights:- 13 types.
• Alternator:- 3 Types.
• AC plants:- 4 Types , with different non-interchangeable parts inside each of these.
• Batteries:- 7 Types.
• Battery Chargers:- 4 Types
• Rectifier/Regulator Unit:- 2 Types.

Among all these types, different makes have different designs. Result- difficulty in inventry management.
BCT division is tackling this issue two ways:-
1.Suggesting RCF to stick to same generic design for all makes.
2.Stocking of the equipments. ( In last 3 years more than 50 equipments have been stocked).