The Northeast Frontier Railway (Dy. CMM/DBRT) invites online e-tenders (Tender No. DB265087A) for the supply of 100 units of improved high tensile tightlock centre buffer couplers with AAR 'H' type heads and balanced draft gears for BG LHB passenger coaches. The components must comply with RDSO technical specification RDSO/2011/CG-03 (Rev-03) and carry an 84-month warranty period. Vendors can access complete procurement layouts, technical sheets, and submission forms directly via the official IREPS link at ireps.gov.in ahead of the final closing deadline on 22-07-2026 at 2:30 PM (14:30 hrs).