New Delhi, Jan. 13 -- The National Investigation Agency (NIA) has taken over the investigation into a major illegal Bangladeshi immigrant infiltration case that was earlier being probed by the Delhi Police's Special Cell, officials said on Tuesday.

The central agency has begun its investigation and is expected to widen the scope of the probe by tracing the entire syndicate involved and following the money trail linked to the network.

Officials, privy to the development, told ANI that the NIA has also registered a fresh First Information Report (FIR) in the case as part of its takeover of the case from the Delhi Police last week.

The move comes in line with directions from the Ministry of Home Affairs (MHA) to crack down on organised ne...