Nifty 30 Apr 2015 - Expiry Chart

Since Morning, huge build up in 8200, 8250 and 8300 calls; 8200, 8150, 8100 puts.
At around 2.45 PM, 8200 became 10L support, Around 3.00 PM, it became resistance.
There was no expiry trade in any of the strikes.

- Happy Trading www.tripleint.com