ANSWER is PALWAL.The Ancient Gumbad monument is Situated in Palwal, Haryana.Ancient GumbadIt is the TOMB of Sheikh Shah BAZ MaqbaraBuilt-in 17th century AD, Palwal, HaryanaIt is octagonal in shapeHaryanaState Formed -1 November 1966Capital - ChandigarhDistricts - 22Governor - Satyadev Narayan AryaChief Minister - Manohar Lal KhattarDeputy Chief Minister - Dushyant Chautala.