This document is an indenture for secured advances between a contractor and the President of India. 2. The contractor has been granted a secured advance of Rs. 5,00,00,000 to expedite work execution. 3.The said bank guarantee for advances shall initially be made for the full amount and valid for the contract period, and be kept renewed from time to time to. Account of Secured Advances, Form CPWA 26-A should be attached to the bill. 10.2. (Referred to in paragraphs 10.2. Secured. Advance on Non- perishable. Materials. Before granting the above- secured advance the contractor shall sign the prescribed Indenture Bond in the prescribed form. CLAUSE 10B: SECURED ADVANCE ON NON-PERISHABLE MATERIALS. Secured Advance on Non-perishable Materials.