How to redelegate airdrops on an exchange

It should be possible to redelegate the 70% of vested coins, but this is not doable if you got airdropped on an exchange.
Any clarification on this? We are stripped of our RIGHTS!

As said in D M, you should contact the exchange about that.

You must know that any fund in a CEX belongs to the CEX, not to you. You should read their Term of Service.