"In other words, 85 percent of the households received remittances for their day-to-day needs. Another major share was used for the child education. About 31 percent of the households deposited the remittances into banks as savings," Irudayarajan said. "About seven percent of the households in Tamil Nadu used money for purchasing or building a house," Irudayarajan said, adding the study report has now been handed over to the Tamil Nadu Government. The study found the emigration is a phenomenon observed throughout Tamil Nadu with Chennai (320,000), Coimbatore (190,000) and Ramanathapuram (140,000) districts with the largest number of emigrants. Theni (13,802), Dharmapuri (14,594) and Nilgiris (5,868) districts are ranked the lowest. According to the TMS, the return emigrants in Tamil Nadu are estimated to be 1.3 million with 6.1 return emigrants per 100 households.