In 2015 Unocoin was giving Rs.200(4$) worth bitcoins as promo codes.PROMO CODES ADDED BALANCE AS BITCOINS AND NOT AS CURRENCY, which is 0.006 BTC.
Now those bitcoins are worth over 90$.

I used one code on my account :

https://i.imgur.com/lNvaDwV.jpg (balance was added to my wallet)

After trying to withdraw them today, I was told to verify my account by submitting documents.
I did as told, after few hours they reversed my promo code by stating one of their points from T&Cs

https://i.imgur.com/hOSZHxo.jpg (they tried to make it look legit by showing that they are sending to my wallet, look at the previous ss. They were already in my wallet)



This point was added in T&C after 6th of December:
Cached page of Coupons T&C as on 6th of December 2017 : http://webcache.googleusercontent.com/search?q=cache:https://www.unocoin.com/coupons
Archived : http://archive.is/8haV6

Live page : https://www.unocoin.com/coupons
Archived: http://archive.is/U6fIS

Till 2016 non verified customers were even allowed to do trade with a limit of Rs10000(200$)

They should give 30 days from the day they changed T&Cs and not from the day I used my promo code.
They are gypping many customers by not paying off the money from promo code by using such a petty trick.

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https://bitcointalk.org/index.php?action=profile;u=124502
https://bitcointalk.org/index.php?action=profile;u=70511
These are the two users I could find, who are related to unocoin.

THEY THINK BY CLANDESTINELY CHANGING T&Cs IN A DAY THEY CAN RUN AWAY WITH THE FUNDS OF THE USERS AND STILL LOOK GOOD.[/b]