The equity benchmarks made a smart recovery to close higher on February 14. The Sensex gained 277.98 points or 0.39 percent to close at 71,833.17 and the Nifty 96.70 points or 0.44 percent at 21,840. About 2,317 shares advanced, 1,395 declined and 81 remained unchanged. Sansera Engineering | CMP Rs 1,023 | Shares of Sansera Engineering gained 3 percent after the company’s net profit jumped.