If you have not signed any form or sale deed than you may get refund amount. Otherwise you have to terms and conditions of cancellation from the prospectus.

Builder can deduct 10 per of booking amount in event of cancellation of booking 

Token amount is not refundable it can only be adjusted upon execution of contract. 

See if there is no agreement and there is no terms and condition of booking signed then you can give legal notice to promoter asking refund  in case he fail to refund you can file a consumer complaint seeking refund along the interest. 

If there is any agreement that token will be forfeited then you cant get it otherwise you can claim the same

Dear client 

It is possible if there is refund clause in the agreement done by you.

And if there is no agreement then and you can prove the payment of rs 50000 to promoter then you can file recovery suit in civil court to recover your money from promoter 

If the payment is made by cash then you can't claim from him. But if the payment is made by cheque then you can claim that money firstly send the legal notice and after that you can file a case against the person under order 37 code of civil procedure.
there is one more thing, if you have any document with respect to token money i.e. any documentation then also you can claim the amount.

depends on any agreement between you and the promoter

if you cancelled the booking, then the promoter  would have forfeited the token

in some cases on cancellation, certain % is deducted from token and forfeited and balance is refunded without interest

1. What was the terms for booking and its cancellation agred by both of you or as has been mentioned in the brochure published by the promoter?

2. If it has been mentioned that no booking amount will be refunded, then you wilol have remote chance of getting it back.

3. If there is no mention of any forfieture clase, then you can claim the entite booking amount back after cancelling your booking.

If the plot was cancelled due to any fault on part of the promoter, you can claim full refund of the token amount by filing a complaint in RERA or Consumer Court.

Dear Client,

Allottee proposes to cancel/withdraw from the project without any fault of the promoter, the promoter herein is entitled to forfeit the booking amount paid for the allotment. So find fault of buyer

you write to the promoter about your decision to cancel the booking and demand for the refund of the booking amount and send the communication by registered post.

Let him give a reply after which you can plan to resort to legal action if necessary