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Some of the colleges which offer courses in food technology in Bangalore are :
1.  University of agriculture
2. Mount Carmel
3. Karnataka state rural
4. Smt Vhd central institute
5. Yuvaraja college
Some other famous colleges in Karnataka are given below in the link along with the details.
https://university.careers360.com/colleges/list-of-food-processing-degree-colleges-in-karnataka