If you are a native of UP, but just studied 11th and 12th from Telangana, you can claim 85% UP State Quota. Accorodng to Telangana State domicile rules, you cannot claim 85% State Quota if you have done only 2 years of study in Telangana. On the other hand if  you are a native of UP, you can claim their domicile and therby appear for UP State Counselling for NEET.

Hello !!

Yes..you can fill the NEET form ,If you have completed your 12th from a recognised central or state board with physics ,chemistry,biology and english as core subjects.And the qualifying marks for applicants is 50% for general and 40% for SC/ST/OBC.AGE limit should be 17 years,students who have an Indian nationality ,OCIs,PIOs and foreign National can also apply foR NEET UG.

https://medicine.careers360.com/articles/neet

Good luck !!!