Hello Aspirant! Candidates looking for admission at IET Lucknow must meet it's cutoff score based on Uttar Pradesh State Entrance Examination(UPSEE). IET Lucknow doesn't take admission through JEE Main results. So you need to have a valid UPSEE rank to secure admission at IET Lucknow. However, you can apply for other colleges accepting this marks of yours like: KIIT Bhubaneshwar, Chandigarh University, Thapar etc. You can also use this link to predict your college:
https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp