The move would make it easier and cheaper for India to meet its goal of 10GW each of installed PV and solar-thermal capacity by 2022..

But it will also set off a row with the country's leading PV manufacturers, many of which are part of politically powerful conglomerates that lobbied furiously to get local-content provisions into the solar mission to shield themselves from low-cost imports.

Farooq Abdullah, the Minister for New and Renewable Energy, has made clear his intention to leverage the 3trn rupee ($66bn) market created by the mission to transform India into a solar manufacturing powerhouse capable of competing globally.