PATNA, Feb. 1 -- Bihar's Vaishali police has nabbed the mastermind of Udaipur's Rs.12 crore gold loot case Guddu Kumar from Govindpur-Jhakraha locality of Rajapakad police station area on Friday. The arrested criminal is said to be an active member of notorious gold robber Subodh Singh, who is currently lodged in a West Bengal jail....