New Delhi, March 16 -- The Ministry of Home Affairs has sought an umbrella probe in the cases of illegal Bangladeshi immigrants staying in the country.

A senior officer informed that in a recent meeting, instructions have been passed to all states and UTs to investigate the cases of illegal Bangladeshi immigrants as umbrella cases and identify the persons who have helped the illegal immigrants in obtaining documents to generate Aadhar and other documents pertaining to the citizenship of India.

The officer added that in some cases, it has been found that the documents were prepared for the purpose of travel to European countries or the Middle East, and the persons didn't stay for long in India. The investigation officers have been instru...