Withdrawal times using Net Banking and IMPS in Indian casinos can vary. While IMPS generally offers faster transfers, sometimes within hours, Net Banking might take longer, depending on the bank and the casino's processing time. On average, it might take 2 to 5 business days.  Some banks and casinos might even have partnerships to expedite the process. Always review the casino’s payment policies to understand the exact timeframe, and don't hesitate to contact customer support if you need clarification.