New Delhi, May 5 -- After a tepid year, the government's scheme for subsidized electric buses has generated such an overwhelming response that states may have to settle for fewer units than they sought, according to two people aware of the development.

The Centre has already received requests for over 15,000 e-buses from various states under the Prime Minister's E-drive scheme against the targeted 14,028 units, the people quoted earlier said on the condition of anonymity.

Maharashtra, West Bengal, and Tamil Nadu are yet to submit their demand for e-buses in Mumbai, Pune, Kolkata, and Chennai, said one of the people quoted earlier.

"The government is still awaiting clarity on demands from some cities, which will make the total demand ev...