Hello,
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If you are asking for pre University Colleges in Bangalore with hostel facilities, there are only few colleges that offer hostel facilities. Here is the list.
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• Bishop women's Christian college
• Shri bhagwan mahaveer Jain college
• Jhyothi nivas pre University College

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PUC colleges without Hostel facilities,

• St Joseph
• Mount Carmel college
• Christ junior college
• Kumarans pu college

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All the above mentioned colleges are top rated colleges. Most of the colleges aren't offering Hostel facilities. You have a limited choice if you want to go with hostel facility