Lhb coaches have a lot of drawbacks like
1)Non-self generating and need EOGs to supply power to coaches which increases the operational cost and for Organization like IR which is already on deathbed increased operating cost works like the last nail in the coffin..
2) These are way too expensive
3) outer color fades very quickly..
4)LHb...
more... cant be used with full efficiency i mean (130-160 kmph mps) in 99 % routes..so its better to design coaches using "desi" technology which are anti-telescopic with lower MPS for cost cutting purposes..I think the approach should be made by india in place of make in india..