name the exams that give fees consession in the universities it may be private or govt for cse group after 12

It is difficult to list out all universities. But here is a summary. SRM, VIT and BITS offer scholarships to students. Details can be checked here

For SRM check http://www.srmuniv.ac.in/admission-india/engineering/fees/scholarships

For VITEEE

Toppers of each State Board and Central Board - 100% Tuition fee waiver for all the four years.

VITEEE rank holders of 1 to 50 - 75% Tuition fee waiver for all the four years.

VITEEE rank holders of 51 to 100 - 50% Tuition fee waiver for all the four years.

VITEEE rank holders of 101 to 1000 - 25% Tuition fee waiver for all the four years.

BITS - http://www.bitsadmission.com/fdmain.aspx#eligibility

Each state has a tuition waiver scheme but that is subject to annual income of parents. In AP since you belong to Nellore I think :

GITAM GAT - http://www.gitam.edu/gat/about/financial-assistance

Vigyan University:

Tuition Fee waiver       100%       50%           25%

V-SAT (Rank)          1 - 50        51 - 100      101 - 200

EAMCET (Rank) < 8000      8001 - 16000   16001 - 20000

JEE (Adv) (Rank) < 20000  20001 - 35000  35001 - 50000

JEE Mains (Marks) > 170    135 - 169      Qualifying marks - 134

Inter Marks >        975      960-974          950-959

Any other university you have to write back to us.