Hey M Sai Siddhartha,

If your all India rank in JEE mains is below 1,30,000 then you have maximum chances to get admission in the above mentioned colleges . The B category admission notification is given through college official webistes or telugu leading news papers articles. However you need to check the news papers and college websites for notification. The application cost varies from college to college, and you are not eligible for 35,000/- Fee reimbursements too! The tution fee for VNR, CBIT, Vasavi are 1,01,500/-, 2,00,000/-,1,60,000/- respectively. In the above mentioned colleges CBIT is absolutely good in terms of placements and facilties and faculty. The college official websites are given below

CBIT: http://www.cbit.ac.in/admission_post/admissions/

VCE:

Http://www.vce.ac.in/

VNR VJIET:

http://vnrvjiet.ac.in/

To know more about these colleges you can check here

CBIT: https://www.careers360.com/colleges/chaitanya-bharathi-institute-of-technology-hyderabad

VCE: https://www.careers360.com/colleges/vasavi-college-of-engineering-hyderabad

VNR VJIET:

https://www.careers360.com/colleges/vnr-vignana-jyothi-institute-of-engineering-and-technology-hyderabad