 "Tender Evaluation (Determining L1) a) If all the bidders for a Tender are registered under GST, and uniform GST rate is applicable, Tenders shall be evaluated based on the amount exclusive of taxes. b) Additional claim of GST by a contractor/supplier successful bidder, on account of change in the registration status after the award of work, will not be allowed. All tendering authorities shall follow the above instructions in evaluating the Tenders. 21. BID VALIDITY Bid shall remain valid for a period of 90 days from the date of opening of price bid, Sd/-  Engineer Electrical Section Pulpally"
 What is the tender validity period
Bid shall remain valid for a period of 90 days from the date of opening of price bid