Which is best choice for MEC(btech): GMR, GVP, SRKR, JNTU Ananthapur, JNTU Kaliri or JNTU Pulivendla
Generally, people look at the nirf ranking to determine which university or college is better. Of all the institutes you mentioned, JNTU anantapur and GMRIT have good ranking. GMRIT is ranked 43 among the private institutes all over India. So the best option would be any of JNTU anantapur or GMRIT.