I have pcb in 12th standard and got 72% , I don't have mathematics, i want to do bca in psit kanpur , can I pursue

No, it’s not possible to get admission to the BCA program at PSIT Kanpur if you haven’t taken Maths as a compulsory subject in Class 12. Admissions for both BCA and BA programs are done through CSJM entrance scores, purely on the basis of merit. 

The basic eligibility criteria for admission is

• A minimum of 60% aggregate score in the 10th and 12th examinations. 
• Candidates must have appeared for Physics, Chemistry, and Mathematics subjects during their 12th examination.

Admissions to the BCA program at PSIT Kanpur are done through counseling depending upon the marks obtained by the candidates in Aptitude Test.