No. There is no free solar scheme run by the government. These are rumours created by fake website. The Ministry of New and Renewable Energy (MNRE) is actually running a subsidized rooftop solar scheme for residential consumers where the consumers can get upto Rs 78,000 subsidies for installting rooftop solar. However, they have to bear the upfront cost on their own at the time of installation. There are other subsidized solar schemes too like PM-KUSUM where farmers get solar pumps with subsidy support.

Usually in a residential rooftop project, a 3 Kw rooftop solar can ideally generate upto 10-12 units per day. The daily generations are usually dependent on the local weather. Usually when there is good sunlight throughout the day, you can get the best generation (if your solar panels are clean). During clouds, rains, the generations reduces. So a system which can generate around 12 Kw per day can also generate 5 kw or 7 Kw during clouds/rains. The generation also varies season to season, depending on the quality of sunlight and availaility of sunlight.