Pledge invocation

A promoter pledges 10 cr shares at ₹500 to borrow ₹2,000 cr. The lender requires a cover of 2.0× and invokes the pledge if cover falls below 1.5×. (a) Compute the initial cover, the invocation price and the percentage fall that triggers it. (b) At ₹320 the lender asks the promoter to restore 2.0× cover with additional shares. How many? (c) Explain the feedback loop when several lenders hold pledges on the same stock, and list three disclosures you would monitor.