I think three positions...PM, Foreign Minister and Defence Minister should be decisive but all three in UPA are just the opposite. In todays world its not that easy for such a high level mister to get involved in corruption. The other three named mentioned never said that those CM's were...
Actually Saras will be operationally cheaper than Dronier but Dronier consume more fuel than Saras but fo rthat firstly SAras will have to be operational.
^^^
I thought now the number of Arihant class sanctioned by the MOD and CCS is 5 from 3 (earlier). The rate at which HSL is going i think they can finish all 5 by 2020, although all 5 might not enter the service by 2020.
I don't know what you will call them. They are close to prototype, but you have to realise they are just model not the actual prototype vehicle. Now due to the latest technology, you can do almost all the tests and simulation on the computer and then you come to the final design. It saves a lot...