With 197/300 in JEE Main March session, you have fair chances in securing a Percentile anywhere between 99.3-99.6, further subject to relative toughness, difficulty and competition of your session. Assuming you are from General Category, with this percentile you may assume a Rank anywhere between 5-7k, hence you do have options to study CSE at some of the Institutes below

CSE/IT NIT Bhopal, NIT Kurukshetra, NIT Surat, NIT JSR, NIT Durgapur, NIT Jalandhar, NIT Patna, BIT Mesra, IIEST Shibpur, PEC Chandigarh, NIT Raipur, Most IIITs as well as IT/ECE at IIIT Allahabad.

For more information and percentile prediction do follow the link below

https://engineering.careers360.com/articles/jee-main-percentile-predictor

For more information and College Prediction do follow the link below

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer