MNRE has published draft technical technical standards and specification for Grid Connected Solar Rooftop program. IEC 61853- Part 1/ IS 16170: Part 1 Photovoltaic (PV) module performance testing and energy rating –: Irradiance and temperature performance measurements, and power rating. IEC 62804 (Draft Specifications) Photovoltaic (PV) modules – Test methods for the detection of potential-induced degradation (PID). IEC TS 62804-1: Part 1: Crystalline silicon (Mandatory for system voltage is more than 600 VDC and advisory for system voltage is less than 600 VDC). IN addition ton above government has mandated standards for fuses, Surge Arrestors, Cables, Earthling /Lightning, Junction boxes, Energy meters & Solar PV Roof Mounting Structure.