Arihant Drillings wins contract for geotechnical investigation (core drilling) works for 800 MW Amba Pumped Storage Project in Maharashtra July 2, 2025 | Project Updates Arihant Drillings Private Limited has won a contract worth Rs 33.97 million for geotechnical investigation (core drilling) for the 800 MW Amba Pumped Storage Project. This content is restricted.