The scenario wherein shares are bought but not received by you within the set time limit T+1 working days(trade day + 1 working day) is known as short allotment. However, you would most probably receive the shares in your demat account within T+2 working days(trade day+2 working days).
In case of market shortage, the shares are allotted to the client in T+2 working days. If the purchase from the market is not possible, the client will receive a credit amount in his trading account for that particular share according to exchange rules.
When both cash and collateral margins are available, which one is utilized first? What is the order of utilization?
What is the margin blocking percentage during the end-of-expiry week for physical settlement of stock option contracts?
Can I do intraday trading in stock options?
When does expiry take place for Nifty, Bank Nifty, Sensex, Bankex, and stock option contracts?