Yes, you can transfer ₹20 lakh through RTGS (Real Time Gross Settlement). RTGS is designed for high-value transactions, and there is no upper limit on the amount you can transfer. The minimum transaction amount for RTGS is ₹2 lakh, making it suitable for large transfers like ₹20 lakh. The transfer is processed in real-time, ensuring that the funds are credited to the beneficiary's account within minutes. This makes RTGS a preferred method for securely transferring significant amounts of money, especially for business transactions or high-value personal payments.