Now a days when issue of electrification is at peak, it is timely to discuss the advantageousness and economy of electrification. After going this article authorized by experts, one can conclude electrification of high density traffic with freight operation like ( GZB-CNB-ALD) route is economically viable while the likes of VSKP-KK line is also equally feasible as they high ROI. Moreover, cost of generation of power is very high in comparison to that saved by efficient electric locos.
Rest all is a matter of ego and self satisfaction and an expression of political might and childish fervor.