I don't like the concussion sub rule in IT20 as it seems to be abused. Any thoughts?

Very much abused by India yesterday. They used one sub for the first 6 overs of pp who was a decent fielder, then brought on the bowler for middle overs who took the wickets, then to cap it off with england needing 19 off final over they removed the bowler and brought the fielder back on!!! How this was allowed is beyond belief.

Couldn't agree more.

I think its very sad that every time England go to India, which bar the Ashes should be the pinnacle of international cricket, I feel cheated.

The match referee clearly got the "like for like" ruling wrong in this case. The rules say:
“In assessing whether the nominated Concussion Replacement should be considered a like-for-like player, the ICC Match Referee should consider the likely role the concussed player would have played during the remainder of the match, and the normal role that would be performed by the nominated Concussion Replacement."