The Mehsana District Co-operative Milk Producers' Union Ltd. invites online bids under Tender IDs 315324, 315309, and 315974. Detailed technical specifications and contract parameters are published on dudhsagardairy.coop/tenders. Qualified commercial vendors must upload their electronic proposals directly through the portal at nprocure.com. For institutional inquiries, contact the Mehsana headquarters at 02762-253201.