Hello, the eligibility criteria for the lateral entry is that the student must have passed with required percentage in the field or related to the one which you want to pursue your engineering degree on. After commerce your option will be narrowed if you want to pursue engineering there are only less number of diploma courses you can do to pursue engineering. You should check with the lateral entry offering institute's eligibility requirement first and then choose your diploma degree.
You can refer this link to know about the diploma in engineering courses offered here https://engineering.careers360.com/colleges/list-of-diploma-engineering-colleges-in-india
Best wishes.
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