Tenders are invited on-line under single cover system on the website https://coalindiatenders.nic.infrom 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 Brick Stoppings for Pressure Balancing at Jambad (R-VIII) Seam of Porascole East Colliery. Time Schedule of Tender: a. Tender e-Publication date 11.05.2024 at 11.00 b. Document download start date 11.05.2024From 11.00 c. Document download end date 21.05.2024 up to 17.00 d. Bid Submission start date 11.05.2024 From11.00 e. Bid submission end date 21.05.2024 up to 17.00 f. Start date for seeking Clarification on-line 11.05.2024From 11.00 g. Last date for seeking Clarification on-line 16.05.2024 up to 17.00 h. Date of Pre-bid meeting (if any) NA NA i. Bid Opening date 23.05.2024 at 11.00 Note: The auto extension of submission of bid shall be applicable as per details mentioned in clause No.14 of NIT.