Mechanical Engineering

As per your rank which is 83167, it is really difficult to get your number in 2nd counselling. You can also check last year cutoffs and you check where students with the same rank as your stand last year. even though you can wait after checking the cutoffs, if there is any chance for getting a seat by comparing last year cutoff, you can wait otherwise switch to some other college in mech branch. You also may be allotted seats according to your category so check last year result and then wait accordingly.

Obviously, Computer Science Engineering Course has a very bright scope in future. Because, modern era is totally based upon computer technologies like mobile, laptop, other electronic devices, etc. Even scientists launched vehicles without driver, they can controlled by computer. Conclusion is that Computer Science engineering has a very big scope in future.

its slightly difficult to get mechanical
but u can try other branches like EIE or civil
all the best

Andhra Pradesh-EAMCET 2018 College Predictor
Use your Andhra Pradesh-EAMCET 2018 rank to see where you can get admission at the link provided below:
See the courses, colleges & rounds you may crack
The result is based on admissions data of Andhra Pradesh-EAMCET 2017
Get resources & insights on colleges & courses
https://www.shiksha.com/b-tech/resources/ap-eamcet-college-predictor.

You should visit
josaa. Nic. In
There you should see the previous year's cutoff's and compare your AIR of JEE Mains for your Homestate NIT first and then for different colleges.

There are very less chances for you to get admission in a government college. For this, your rank must be under 500.