Hi Sathya,
According to the ranking done by Careers360, Ms Ramaiah Institute Of Management ranks 52 or is ranked AAA+ ; GITAM Hyderabad Business School is given AA+ rating; Siva Sivani Institute of Management is rated AAA. You can check the ratings and rankings on the link provided below and decide accordingly. All the best!
https://bschool.careers360.com/colleges/ranking/2018?page=1
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