Obtuse Design Studio wins contract for preparation of DPR for Maharaja Agrasen International Airport – Sink Lake Storage Tank – Hisar Drain Storm Water Drainage Project in Haryana January 2, 2026 | Awarded, Key Segments, Municipal Wastewater, Project Updates, Wastewater Obtuse Design Studio won the contract worth Rs 11.80 million for preparation of detailed project report (DPR) for Maharaja Agarsen… This content is restricted.