Hey there

All three universities are better so it is difficult to tell which university is more better then other. However you can get your answer as I am providing 3 links for all the universities from where you can get all the details about each.

Reva University

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/university/reva-university-bangalore/amp&ved=2ahUKEwj6v_DagonzAhXCzDgGHZ_1DcoQFnoECAkQAQ&usg=AOvVaw2IzRMkQ1vqZawgrxzHlz-N&ampcf=1

CMR University

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/university/cmr-university-bangalore/amp&ved=2ahUKEwin_aDjgonzAhXazjgGHeBeA5wQFnoECAoQAQ&usg=AOvVaw00gQXM6U3-IdPwdVeSMg31&ampcf=1

GITAM University

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/university/gitam-university-visakhapatnam/amp&ved=2ahUKEwjX477rgonzAhU4zzgGHfX7AIYQFnoECBMQAQ&usg=AOvVaw3QZYTCnX7s8sGY0QxqVTpd&ampcf=1