Engineering

https://www.shiksha.com
Go through the link where you will get the college predictor according to your score. And all the fee structure for hostel and college would also be displayed here.

Rank below 800 might be sufficient to get into OU.

You can try your luck in other courses such as:
BDS
Homeopathy
Veternary
Agriculture
PharmD etc.

Regret to inform you that agricultural engineering is not offered in NIT WARANGAL. But, there are other engineering departments like biotechnology, chemical, civil, CSE, ee, ECE, mathematics, mechanical, metallurgical and materials, physics.

Firstly, you have to score more in 12th board exam and have to give engineering entrance exam to get admission in engineering and you may proceed with the documents required for engineering.

You might have a chance, if reservations are concerned, else you can try getting into this college through management quota.

Yes, you have a good chance in getting an admission.
Give it a try.

Yes, according to past EAMCET result criteria all the ranks below 10,000 were given free seat irrespective of reservations. But you need to admit in the college which you have achieved in counselling.

Yes, you can get admission in NIT WARANGAL if you passes the cut-off criteria.