There are hundreds and thousands of India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

ns in Bangladesh

Bangladesh

Bangladesh , officially the People's Republic of Bangladesh is a sovereign state located in South Asia. It is bordered by India on all sides except for a small border with Burma to the far southeast and by the Bay of Bengal to the south...

, most of whom are illegal migrants and refugees. According to data produced by the Bangladeshi Ministry of Home Affairs, as many as 500,000 Indians were staying in Bangladesh illegally in 2009. They were found working in different establishments such as NGOs, garments, textile, IT and sent money back home through hundi

Hundi

Hundis were legal financial instruments that evolved on the Indian sub-continent. These were used in trade and credit transactions; they were used as remittance instruments for the purpose of transfer of funds from one place to another. In the era of bygone kings and the British Raj these Hundis...

 transfer systems. Most of them came on tourist visas and tended to stay back. The migrant community has often been a source of contention between the two countries; according to available reports, the lakh

Lakh

A lakh is a unit in the Indian numbering system equal to one hundred thousand . It is widely used both in official and other contexts in Pakistan, Bangladesh, India, Maldives, Nepal, Sri Lanka, Myanmar and is often used in Indian English.-Usage:...

s of Indians illegally staying in the country hailed from the Indian states of West Bengal

West Bengal

West Bengal is a state in the eastern region of India and is the nation's fourth-most populous. It is also the seventh-most populous sub-national entity in the world, with over 91 million inhabitants. A major agricultural producer, West Bengal is the sixth-largest contributor to India's GDP...

, Meghalaya

Meghalaya

Meghalaya is a state in north-eastern India. The word "Meghalaya" literally means the Abode of Clouds in Sanskrit and other Indic languages. Meghalaya is a hilly strip in the eastern part of the country about 300 km long and 100 km wide, with a total area of about 8,700 sq mi . The...

, Assam

Assam

Assam , also, rarely, Assam Valley and formerly the Assam Province , is a northeastern state of India and is one of the most culturally and geographically distinct regions of the country...

, Tripura

Tripura

Tripura is a state in North-East India, with an area of . It is the third smallest state of India, according to area. Tripura is surrounded by Bangladesh on the north, south, and west. The Indian states of Assam and Mizoram lie to the east. The capital is Agartala and the main languages spoken are...

 and Mizoram

Mizoram

Mizoram is one of the Seven Sister States in North Eastern India, sharing borders with the states of Tripura, Assam, Manipur and with the neighbouring countries of Bangladesh and Burma. Mizoram became the 23rd state of India on 20 February 1987. Its capital is Aizawl. Mizoram is located in the...

and were spread across numerous urban and rural areas. One of the reasons contended for their migration is that these states are relatively poor and the Indians tend to come to larger centres in neighbouring Bangladesh in search of jobs and better living.