If the stock opens below 236 do not short immediately, wait for it to bounce back near 239-242 region and then get ready to short it. Keep stop loss at 4 points away from entry price.
If the overall market remains weak then this stock may even correct upto 210-200 in near term.
Option Data suggests that VOLTAS is likely to face resistance at 245-250 level and traders are expecting it to remain weak. Check the trading volms & open interest (built-up/unwinding) marked in RED in the option snapshot shown below. The strike prices at which the traders are most active are at 220 & 245/250 levels.