Your question needs to be clear straight forward pinpointing the replies expected to get proper information when you write to any Govt office. It is first fundamental rule. From the reply given inthe letter your question is more a comprehensive way so as for them answer such a way.
Insted you should have divide the question
1. What are present trains running with LHB coaches and rakes
2....
more... Timeline statng the trains by which they will be converted to LHB.
3. Infrastructure facilities like crew training and readieness to LHB.