2. This is both a technical as well as Financial problem. Firstly, for Mass transport systems and any systems working on a large scale, reliability and robustness of the design is of utmost importance. This can take several years to develop and finalize and once developed it will be used for 'as long as possible'. LHB coaches have been around long enough that most of the issues are well-understood now. One problem is that there are still no Self-Generating LHB coach designs that are good yet, so LHB trains right now have to depend on EOG or HOG ( Has it's own problems when driving a fully AC train) while ICF coaches have been here for several decades and are a proven technology ( despite their faults) so the transition won't be quick. It'll be very gradual.

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Given the money that has to be spent on the manufacturing of the coaches, it is economically not feasible to quickly change over to any new technology that comes along. Again, here also, the transition has to be gradual for making the best utilization of existing rakes while gradually switching to a new set with minimal cost overhead.
Tha said, IR is definitely going too slow with the transition to LHB. The end of 2016 deadline will definitely not be met. IR needs more focus on solving the LHB design issues and bringing down the cost. Sorry for the long answers. :)

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Agree, that ir should overcome all faults related LHB. Also try to produce LHB capable of run upto 200 km/hr. Also railway should start research related to comfortable, high speed and safe rail coaches. As it is the demand of time. Also as mr. prabhu said that ir will involve technology then it would be definitely the best use of technology in ir.

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Thanks!
Don't Worry About Long Answers, Infact It Clears Out Many Things!
:)

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