Hi, Top 10 MBBS colleges in Karnataka are:

• Kasturba Medical College, Manipal-Private
• St Johns Medical College, Bangalore-Private
• JSS Medical College and Hospital, Mysore-Private
• Kasturba Medical College, Mangalore-Private
• MS Ramaiah Medical College, Bangalore- Private
• Bangalore Medical College and Research Institute, Bangalore- Government
• Jawaharlal Nehru Medical College, Belgaum- Private
• Mysore Medical College, Mysore- Government
• KS Hegde Medical Academy, Mangalore- Private
• Kempegowda Institute of Medical Sciences, Bangalore- Private 

You can check the rating, ranking and rest information about these colleges here.

Good Luck.