tender

Read the terms and conditions of tender clearly. This will require some formalities like license to supply the goods or services, your C.A. audited balance sheets, your sale tax registration documents and any other documents required by them. They can demand earnest money (example -10% of tender value) as security which they can restrain with them due to any fault from side. At last, if you win the bid, you have to perform as per the terms agreed otherwise you will be penalized for the deficiency.