Hello,

To be eligible to apply for WBJEE B.Pharma a candidate must have passed 10+2 with Mathematics/Biology, Physics and chemistry from a recognised board. candidates belonging to general category must have passed with 45% marks candidates belonging to SC/ST/OBC-A/OBC-B must have passed with 40% aggregate.Candidates who have passed 10+2 from NIOS are not eligible to apply.

So you are eligible you don't have to study PCM.