Asansol Durgapur Development Authority (ADDA) has invited online percentage-rate tenders under a two-bid system from reliable, resourceful and experienced eligible contractors. Tender Date: 14 August 2026 E-NIT No.: ADDA/ASN/ED/N-06 of 2026-2027 Tender Inviting Authority: Executive Engineer (Electrical), ADDA, Asansol Location: Asansol, West Bengal Website: www.wbtenders.gov.in / www.addaonline.in Contact: Executive Engineer (Electrical), ADDA, Asansol