The accused used to procure marijuana from West Bengal mainly by train. They used to get off the train at smaller stations and then continue their journey to Noida via roads to avoid being caught.
According to police, the suspects are part of a "white-collar terror network", including educated individuals and professionals engaged in terrorist activities.
Investigators said N Vasu, a CPM leader and former TDB president, authorised the movement of gold-plated sheets for electroplating and failed to act when informed about leftover temple gold being diverted for personal use.
This came after the police suspected that Dr Umar Nabi Bhat as the leader of the “white-collar group” of doctors in a terror module busted days before the Red Fort blast in Delhi.
The discovery of skeletal remains of several children in a drain behind a Noida house where Koli worked as a domestic aide exposed a series of murders.