original electric bus manufacturer or reputed financially sound operator to select bus fleet operator for procurement, operation and maintenance of 100 nos 9 metre (for haldia, asansol-durgapur and siligudi-jalpaigudi) arid 50 nos 12 metre (for newtown- kolkata) air-conditioned electric buses along with allied electrical and civil infrastructure in gross cost contract (gcc) basis under fame ii scheme of dhi for ten years