NAVI MUMBAI, April 12 -- The alleged mastermind of a drug and arms smuggling racket from Punjab was arrested by the Navi Mumbai Anti-Narcotics Cell ANC, with authorities suspecting links to a cross-border narcotics network. The accused, Harjeet Singh Himmat Singh, was nabbed from Baba Bakala after a two-day operation based on technical surveillance. He was brought to Navi Mumbai under tight security and lodged in Taloja police station lock-up early Friday. Police said the arrest follows an earlier crackdown on March 16, when three men, all residents of Amritsar, were held in the Chakan MIDC- Nigoje village area in Pune. The accused was allegedly in touch with the arrested men and had financial dealings worth Rs.14 lakh with them....