Tenders are invited on-line under single cover system on the website https://coalindiatenders.nic.in from the eligible bidders having Digital Signature Certificate (DSC) issued from any agency authorized by Controller of Certifying Authority (CCA), Govt. of India and which can be traced up to the chain of trust to the Root Certificate of CCA, for the following work: Description of Work: Construction of 2 nos. of retaining wall at 6EL and 7EL of 4Dip in Koithee (R-III) seam in Satgram Project. Time Schedule of Tender: a) Tender e-Publication date: 25.05.2024 at 15.00 Hrs. b) Document download start date: 25.05.2024 from 17:00 Hrs. c) Document download end date: 05.06.2024 up to 17:00 Hrs. d) Bid Submission start date: 25.05.2024 from 17:00 Hrs. e) Bid submission end date: 05.06.2024 up to 17:00 Hrs. f) Start date for seeking Clarification on-line: 25.05.2024 from 17:00 Hrs. g) Last date for seeking Clarification on-line: 29.05.2024 up to 17:00 Hrs. h) Date of Pre-bid meeting (if any): NA i) Bid Opening date: 07.06.2024 at 10.00 Hrs. Note: The auto extension of submission of bid shall be applicable as per details mentioned in clause No.14 of NIT.