HI,

DTU   leet 2021-2022 advertisement  has not released yet. as per last  years notifications seats for lateral entry was vacant for the department of  mechanical engineering, polymer and chemical technology, biotechnology, engineering physics. so you have to wait for this years notifications, if seats are available for CSE department then you should apply, unless appearing in the exam will not fruitful to you. mean while you must attempt other lateral entry examinations and test as per state wise as well.

list of LEET exams in India:

Haryana LEET

Joint Lateral Entrance Examination (JLEE)

DTE Kerala LET

Panjab University Lateral Engineering Entrance Test (PULEET)

Himachal Pradesh Lateral Entry Entrance Test (HP LEET)

Indraprastha University Common Entrance Test (IPU CET)

JELET , WEST BENGAL

Odisha Joint Entrance Exam (OJEE)