The document provides stock trading strategies for the Nifty and Bank Nifty indices on July 31, 2015. It recommends buying the Nifty above 8425 and booking profits around 8455 and 8485, with a stop loss of 8395. For Bank Nifty, it suggests buying above 18444 and taking profits around 18495 and 18550, with a stop loss of 18390. It also lists closing prices and percentage changes for the indices. Individual stock recommendations are given for ARVIND, ZEEL, PNB and NMDC.