Hello Aspirant,
The order of preference may be should be in this order
Because JNTU Ananthapur has a long history back and it was established in 1948, so the placements will be good, there will experienced faculty teaching you and the infrastructure will be good and there will be good amount of facilities for you.
JNTU, Pulivendula was established in 2006 which is also good in terms of placements, faculty, facilities, alumini and infrastructure when. JNTU, Narsaraopet is good but not as compared to JNTU Anathapur and JNTU Pulivendula.
I hope this is helpful.
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