MNRE had mandated a minimum 19% efficiency for solar modules to be listed in the ALMM.

The recent ‘Approved List of Models and Manufacturers (ALMM) rules published by the Ministry of New and Renewable Energy set 19% as the minimum efficiency for the modules to be listed. The minimum efficiency for modules used in utility/grid-scale power projects is set at 20%; for rooftop solar and solar pumping projects, it is 19.5% and for solar lighting, 19%.

Although it does not directly ban, it effectively eliminates polycrystalline read more