CHANDIGARH: Indian Government has unveiled a revised scheme for subsidisation of rooftop solar plants. The previously set rate of 30 per cent has now been raised to 40 per cent for solar plants with a capacity of 3-kilowatt peak (kWp). The subsidy amount has been fixed at 20 per cent for 4 kWp to 10 kWp solar plants. The above announcement was made by Arun Kumar Gupta, Home Secretary-cum-Principal Secretary (Science & Technology & Renewable Energy), Chandigarh, while addressing stakeholders for popularizing rooftop solar power in Chandigarh on August 29. During his address, Gupta also presented the cost-benefit of availing the benefit. He informed the payback period for the rooftop solar power system is approximately 6 years.