Chandigarh: Hartek Solar Private Limited, the rooftop solar division of the Chandigarh-based Hartek Group, on Friday announced the launch of its customised rooftop solar kits. Designed as 5-10 kWp plug-and-play kits, the company cliams it can be installed in a matter of hours rather than days. With customised product, the company is targeting independent kanal houses, housing societies, nursing homes, small commercial establishments, hotels and micro, small and medium enterprises (MSMEs). TNS