The two Lashker-e-Tayiba militants, who were handed over to Indian authorities by Bangladesh, have confessed to their involvement in the serial blasts that rocked Bengaluru last year, a top police official said on Thursday.Nazir Tarian Dabede, 25, alias T Nazir told interrogators of the Meghalaya police and the Border Security Force that he had planted bombs along with a person called Rahim.Nazir, a bomb expert, and LeT operative Siraj Shamshudeen Shamas, 33, hail from Kerala