1) issue legal notice to the owner to refund your money of Rs 2.20 lakhs advanced to him by online transfer and cash
2) emails exchanged between parties are admissible in evidence .
3) if inspite of notice owner fails to refund advance amount of Rs 2.20 lakhs file summary suit under Order XXXVII of CPC
4) you can also file criminal complaint of cheating under section 420 of IPC against the owner