Updated Mar 12, 2021 | 22:19 IST One of the hotspots of drug smuggling identified by RPF was Malkangiri, one of the districts worst affected by Naxalism, in Odisha. Naxals (Representational photo)  |  Photo Credit: PTI New Delhi: In one of the biggest ongoing covert operations against top drug syndicates, the security agencies have unmasked one of the two most lucrative routes in the country from where contraband narcotics were being smuggled to New Delhi in North, and Hyderabad in southern India. Both the routes were being used by drug syndicates operating from Myanmar and Naxal groups based in the Odisha-Andhra Pradesh Maoist corridor.