As you are looking to get the agriculture colleges at the city of the Bangalore so here are some of the collages that can help you –

Indian Institute of Horticultural Research (IIHR)
Hessaraghatta Lake Post
Bangalore, Karnataka
(080) 28466353, 28466471, 28466420, 28466421, 28466422, 28466423
(080) 28466420, 28466421, 28466422.

Indian Institute of Plantation Management (IIPM)
Jnana Bharathi Campus, Post Office Malathalli
Bangalore, Karnataka
(080) 23211716, 23212767
(080) 23212775.

Indian Plywood Industries Research and Training Institute
Post Bag No. 2273, Tumkur Road
Bangalore, Karnataka
(080) 28394231, 28394232, 28394233
(080) 28396361.

National Bureau of Agriculturally Important Insects (ICAR)
P.Bag No. 2491, H.A. Farm Post Bellary Road
Bangalore, Karnataka
(080) 23511982, 23511998
(080) 23411961.

Rai Technology University (RTU)
Dhodballapur Nelmangala Road, SH-74, Off Highway 207, Dhodballapur
Bangalore, Karnataka
(080) 32218014
9686696338, 9343903232.

University of Agricultural Sciences - Bangalore
Gandhi Krishi Vignyan Kendra
Bangalore, Karnataka
(080) 23330684, 23330984, 23330984, 23332442, 23330153
9449866900, 9448966901, 9449866910
(080) 23636826, 23330153