A cracking unbeaten half-century by all-rounder Shashank Singh and his fruitful 43-run partnership with an equally aggressive Ashutosh Sharma helped Punjab Kings defeat Gujarat Titans by three wickets in an Indian Premier League match on Thursday.A cracking unbeaten half-century by all-rounder Shashank Singh and his fruitful 43-run partnership with an equally aggressive Ashutosh Sharma helped Punjab Kings defeat Gujarat Titans by three wickets in an Indian Premier League match on Thursday.