The Institute of Engineering and Technology (IET) Lucknow admits students to its undergraduate programs in Computer Science and Engineering (CSE), Information Technology (IT), and Electronics and Communication Engineering (ECE) through the Uttar Pradesh State Entrance Examination (UPSEE).

The cutoff for admission to these programs through UPSEE varies each year and depends on several factors, including the difficulty level of the exam, the number of applicants, and the availability of seats in each program.

However, based on the previous year's trends, to get admission to IET Lucknow, you would need to score a rank under 1000 (approximately) in the UPSEE exam for CSE, IT, and ECE programs. 

It's important to note that the cutoff score for each program offered at IET Lucknow is different, and you will need to check the official website of the institute for the specific cutoff score for the program you are interested in.

Additionally, meeting the cutoff score is only one of the eligibility criteria for admission to IET Lucknow. The institute considers other factors such as the candidate's academic performance, the number of applicants for a program, and the reservation policies, among others, for final admission decisions.