Yaar Connectivity karni hain to Pahad ka Kya Nadi ka ya Jungle bhi cross karna padta hain Nahin to Connection Kaise hoga
KR having Difficult Terrains
NFR having Deep Forest
and Such Zones having different things what i said was no Technological Development Like New Locos Fail New Coaches fail Coupling and May such things. If RDSO should have an own Technology...
more... we dont have to Rely Much on Other Countries.