What are the Top Private Engg Colleges in Banglore where I can get direct admission? PCM Marks - 45% in HS, My Caste - SC

I didn't get very good rank in AIEEE & Very Gud Marks in My HS Exams as I studied in a Avg. College due to some Family problems. But now I don't want to spoil one year in Coaching & want to study Engg. So How can I get direct admission in one of the Top Pvt. Engg colleges in Banglore or sumwhr else?