For b.tech in biotechnology 

Candidates should have cleared/passed their Class 12 exam or equivalent with Mathematics and Physics as compulsory subjects, and any one of Chemistry / Bio-Technology / Biology / Electronics / Computer

Also I m providing you the list of best colleges accept KCET

• RV college of engineering
• BMS college of engineering
• PES university
• Ramaiah institute of technology
• Sri M visvesvaraya institute of technology
• Dayanand sagar college of engineering
• MVJ college of engineering
• Acharya institute of technology