Nifty off its all-time high to slip below 9200-mark, Sensex up 50 points

The BSE Midcap and BSE Smallcap indices also hit their respective record highs

The Nifty50 index pared all its gains to turn flat after hitting a fresh record high after the The goods and services tax (GST) council cleared the two supporting Bills - State GST Bill and Union Territory GST (UTGST) Bill - setting the stage for implementing the landmark tax reform by July 01. 

The Nifty index rose as much as 64 points to 9,218, surpassing its previous all-time high of 9,158 hit in the previous session. The S&P BSE Sensex, on the other hand, gained as much as 239 points to 29825. The 30-share index is over 200 points