Gurugram, Oct. 27 -- The Haryana power department has sought exemption on the usage of diesel generator (DG) sets for 19 residential societies in Gurugram and Faridabad till November 30, along with the exclusion of Information Technology (IT) companies in Gurugram. On Monday, the department submitted its final take on the diesel genset ban, as directed by the Supreme Court-appointed Environment Pollution Prevention and Control Authority (Epca)....