Every state has a net metering regulation or a rooftop solar policy and regulation which dictates the modalities of installing a grid-connected rooftop solar in the given state. A Net Metering Policy or Rooftop Solar Policy is the Best Solar Policy has been introduced in India which sets out the modalities for setting up grid connected rooftop solar or a small solar power plant in a given state. To know more visit Suprabha.org.
Source: https://www.suprabha.org/rooftop-solar-policy-and-regulation.html