1. A detailed complaint can addressed to Delhi Police online. Giving all particulars his like phone number, address, proof of transfer of money. Police will certainly take action against him.
2. A GPA attested by Indian Consulate can be given to your friend/relative in India to file complaint against him. He can do all formalities required by law from you. He can file the complaint in the court of Magistrate for cheating under Section 420.
3. If he is acting as real estate agent you can also complaint online to RERA Authority, Delhi. In all probabilities he is doing business without registration with RERA

file online police complaint against document finder for cheating , criminal breach of trust under section 406,420 of IPC in commissioner of police website 

You issue a legal notice to the said advocate either through another lawyer or by yourself demanding either the task to be completed or return of the amount paid after deducting the expenses that he incurred so far in this regard.

You find out to which bar he belongs to and give a complaint against him in this regard.

Dear Client,

As per the facts which have been provided, you can file a case against that person. You may file it by yourself or by giving power of attorney. 

Hope this clarifies your query and requirement.

Thank you.

File a complaint with the nri department of the government of India. Ask them to lodge a criminal complaint against him.

Whenever you realise that you have been hit by a fraud via a digital transaction, you must first save screenshots of any SMS, email, fraudulent website, UPI handle or mobile number through which the fraud occurred. In case the mode of payment is any e-commerce platform a screenshot of the merchant’s web page should be saved. Customers should also note down any transaction ID numbers, in any of the above instances.

Your first stop is the bank, NBFC or payment platform you were using when defrauded. In the case of UPI, you should report the fraud to both their bank and the payment company whether it is Google Pay, Paytm, PhonePe or others. Here you can simply file the complaint with the card issuing bank via online method. Once the complaint has been registered with the concerned company, you should file a first information report or FIR with the local cyber-crime police department. The Ministry of Home Affairs has a specific portal related to cyber-crimes, listing the relevant cyber-crime police stations across states. Thus, implying you do not have to travel for all the procedures and can do everything using online portals available to you.

-  Since, you have paid the amount via online ,then you can recover the amount from him legally. 

- You can send a legal notice to him with the help of any lawyer based in India and even from this website 

-  Further, you can also claim compensation from him for the caused mental harassment. 

- Further, you can also lodge a compliant against him before cyber cell via online mode , and your presence is not needed. 

You have the option to file complaint in district consumer commission in the area where the apartment is situated you need that to be present in India for filing this complaint they only thing you need to find out an advocate who can represent you and prepare the papers for complaint and to get it signed by you.

You can claim the amount you paid along with the compensation for mental harassment and legal charges