please help me 🙏😭

Hey, I was playing a game, I deposited 3000 and made 45000, 10000 came to the bank but 30000 did not arrive. It shows successful but it was not received in the bank account. There was a guy who plays and trades, investing money. He told me to invest money in trading, that I would make a profit, and to withdraw 50000. I said 50k is not a small amount, where would I get it from? He said do one thing, my 30k is stuck, get it out. He took my bank account number and IFSC code, then said deposit 30k and I will withdraw it. I gave him 10k but then he stopped talking and blocked me. I requested him a lot, then he said the 30k hasn't gone anywhere, it's in a promo code, you will get it only if you deposit 30k. I said no, give me that back, then he started abusing me and blocked me.