The tender details are uploaded in BHEL tender official website (www.bhel.com) under Tenders à Tender notification with following details :
Direct Link to the above : https://www.bhel.com/supply-ammonium-metavanadate-powder-nh4vo3-bhel-purchase-specification-no-scr-d-rm-003-rev-00-oct
For more details on participation in this tender and downloading the tender documents, please click on the above link and refer attached NIT under BHEL NIT No. 65896