DEAR ASPIRANT,
Many colleges offer engineering cousrses in India the aggregate may vary from college to college for instance if you want to study in Tamilnadu the % set by Anna university this year is 45%for UR and 40% forOBC/ sc/st and in maharashta it is 50% for UR and 45% for OBC/SC/ST so its all upto the state higher education department if you are being specific to a state , please post it below.
hope it helped.
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