NEW DELHI/MUMBAI: A day after Narcotics Control Bureau (NCB) commissioned a vigilance probe against its 2008-batch IRS and Mumbai zonal director, Sameer Wankhede, following extortion claims made by an independent witness, Prabhakar Sail, in the drugs-on-cruise probe involving Shah Rukh Khan’s son, Wankhede appeared before top officials at drug law enforcement agency’s headquarters in Delhi. […]