Colleges in Andhra Pradesh

You can follow the link for the prediction of rank:
https://www.vidyavision.com/tools/ap-ecet-college-predictor

You can follow the below link for more information
https://www.shiksha.com/college/rvr-and-jc-college-of-engineering-guntur-19405

You are supposed to get below 10k so that you will get better opportunities further and you can excel into this world.

Yes, various colleges have an option of distance learning where you can do your course just by sitting at home. So, yes, you have a good chance to pursue the course of your desired choice.

Your JEE Mains rank should be under the 40,000 for safer side to get the admission in this college.
Good luck

NIT Jalandhar cut off for B.Tech ECE and ICE for year 2018 in HS quota for female is as under:-
ECE Opening and Closing ranks was 15073 and 26395 respectively.
ICE Opening and Closing ranks was 26395 and 34659 respectively.
PEC closing ranks in ECE in year 2018 was 17523 maximum Closing rank.
So yours rank should be below the 20000 for admission.

17 to 23 years is the age limit to study B.Pharm.
For more information refer this link:-
https://www.shiksha.com/university/kl-university-guntur-30751/admission.