New houses are being constructed in India's eastern state which borders Bangladesh.
Intelligence agencies have raised concerns in the report.
The Rohingyas are rapidly crossing over from Bangladesh and settling in West Bengal's 24 Parganas districts, home ministry sources said on Tuesday.
The sources, quoting a report sent to the home ministry by intelligence agencies, said that the number of Rohingya migrants in 24 Parganas of West Bengal has surged from 29 to over 100 in just about a month.
The report also said that 40 groups have been identified who are helping the Rohingyas to relocate to West Bengal from all other parts of India like Jammu and Hyderabad. These groups, the report said, are raising funds to carry out this migration.
These groups have held more than 50 meetings on the issue, the report said.
New houses are being constructed in India's eastern state which borders Bangladesh the groups involved in the relocation process are asking the villagers living in 24 Parganas to donate their lands for the purpose of building these houses.
Intelligence agencies have raised concerns in the report saying that efforts are being made by certain agencies to help these Rohingyas gain India's citizenship.