IIT Bhilai Data Science and AI sounds more interesting with excellent scope of research and career prospects in future. Institute being new  having excellent Faculty, Outlook and brand new Infrastructure in development, besides the IIT Tag, will always give impetus to fire opportunities towards you. I believe you should choose IIT Bhilai over IET Lucknow IT.

For more information and college prediction do follow the link below

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