In my opinion railways should make future train sets with this coach composition 6 general class coaches , 6 sleeper coaches , 8 ac class coaches ( 1 ac coach or 2 ac coaches can be removed to add pantry car coach or extra luggage coach) , (which can include third ac or second ac or first ac or can be a mixture of these coaches ) and so 6+6+8 total 20 and 2 electric locos ( 1 at front side of whole trainset and 1 at back side of the whole trainset ) so 20 +2 total 22 so that instead of giving lhb rakes to some trains which runs on a longer path railways should directly convert those mail or express or superfast express trains into these trains sets and cost of making lhb coaches will also be reduced due to directly conversion of mail or express...
more... train into train sets and rake reversal time of many trains will be reduced cost of doing rake reversal of a train will also be reduced ( due to 2 engine 1 at back side of the trainset and 1 and front side of the train set ) and speed of all trains can be increased (due to 2 engine 1 at back side of the trainset and 1 and front side of the train set ) . Please give your opinion on this but please don't give any argument related to politics so that i can save my post from getting archived.