HYDERABAD The Telangana State Pollution Control Board issued a closure order to Ralpro Techno Crafts LLP in Sangareddy on Friday for “illegally transporting and dumping” untreated effluents into Nakka Vagu. The matter came to light after the TGPCB night patrol team spotted an illegal effluent tanker without a number plate or a registration number, discharging effluents into Nakka Vagu near …