b tach darect admission gov institute

You can't get direct admission in government Btech Colleges. All the government College's  only offer admission for students who has valid score in their entrance examination.
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If you have valid score in entrance examination, then also you should participate in counsellings  for  getting admission in government colleges.
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You have private colleges which will offer you direct admission without any entrance examination/ counseling like,

• Ace engineering college
• Chaitanya Bharti institute of technology
• Nalla malla Reddy engineering college etc.