Do We Really Need DRS in T20 Cricket !!

Why ICC needs more time to implement DRS in T20?

The Umpire Decision Review System is a technology-based system used in the sport of cricket. The system was first introduced in Test cricket, for the sole purpose of reviewing controversial decisions made by the on-field umpires as to whether or not a batsman had been dismissed.

DRS

As we all know that DRS system brings up many changes in both ODI and Test cricket, and no need of it's feasibility study in T20 cricket. By using this system many umpires decisions got reversed; and that brings up the accurate result to the match. Everybody know that it is good for Cricket; then why can’t ICC Implement it?

DRS Technology

Under this system each team get one chance each to review Umpires Decision. If umpires decision is correct, captains can’t use this system in that match. If umpires decision is wrong, captains can use this system again.