Yes , PCM is avialable in Sn collage . There are some general rules you must keep in mind,

• A student who has passed the S.S.C. examination under the 10+2+3 pattern conducted by the Maharashtra State Board of Secondary and Higher Secondary Education, Mumbai hereinafter called ‘The Board’ or any other examination recognised as equivalent thereto by the Board is eligible for admission to the F.Y.J.C. in Arts, Science and Commerce.
  
  
• Admission for XI Classes will strictly be given on merit basis and as per the rules and regulations of the Government of Maharashtra. For admission to F.Y.J.C. Science, students must have scored at least 40% marks in the science subjects at the S.S.C. Examination. Forms accepted for the preparation of the merit list does not mean that their admission is confirmed.
  
  
• The merit list will be displayed on the Notice Board. Those names appearing in the merit list should take admission on the prescribed date and time, failing which they will lose their claim to admission.
  
  for fees and other info you can visit there official site
  https://sncollege.com/welcome/juniorcollege

Hello,

For your queries, the S.N. College offers a science stream with physics, chemistry, and mathematics. Also, for the other query, the offline admission for the 11th grade is generally  open, and specific timing for the offline admission is usually announced by the college. The fees structure for the 11th science PCM is not specified.

I hope it will clear your query!!