Centre, Rekha Gupta govt. to rejuvenate 6,300 hectares of Ridge over four years, help develop it as Delhi’s lungs: Union Home Minister; Cong. questions order to transplant 1,049 trees, fell 42 more Centre, Rekha Gupta govt. to rejuvenate 6,300 hectares of Ridge over four years, help develop it as Delhi’s lungs: Union Home Minister; Cong. questions order to transplant 1,049 trees, fell 42 more