Options settlement & margin requirement

Apart from the margin blocked in account in selling a PE, how much margin I need to maintain in my account in the expiry week if I have Sold a PE 800 of HDFC Bank?

Since stocks options are now settled physically, there’s an increase in margin prior to the expiry of the contract. If a short put contract is ‘in-the-money’ and gets assigned, it results in a purchase trade. The margins for physical settlement is explained in detail here: https://support.zerodha.com/category/trading-and-markets/margin-leverage-and-product-and-order-types/articles/policy-on-physical-settlement