Clarification on deduction of commercial property loan under 80C

Hello Guys and respected members,

Kindly advice me on following things.
Recently I have purchases the shop and for that I have taken loan from the bank. So, my basis queries is can I get the principal payment of loan amount under 80C and under which head should I present the rent income from the shop as well as how I can get the Interest payment deduction in income tax.

kindly give your advice on above point with some document or section based...your advice is highly appreciable.