New Delhi, July 15: As the human immunodeficiency virus (HIV) continues to spread throughout India, the states of Maharashtra, Tamil Nadu and Manipur together account for about three-fourth of the total AIDS cases in the country. Among the 7,475 AIDS cases reported in India in the last 13 years, Maharashtra has recorded 3,371 while 2,278 cases were reported from Tamil Nadu. During the same period, Manipur recorded 301 cases, according to the latest statistics available with the National Aids Control Organisation.