Veterans Yuvraj Singh and Harbhajan Singh dug deep into their reservoir of experience as star- studded Punjab held their nerves to pip Karnataka via eliminator in the Syed Mushtaq Ali T20 Trophy Super League round here today. In the days second match at the Jadavpur University second campus ground, Virat Singhs sterling 81 off 49 balls (3x6s, 6x4s) went in vain, as Jharkhand faltered while chasing 171 to pave the way for Mumbai’s 13-run win.