Step 1: Recall the division of Modern Indian Art:
Modern Indian art is studied in two epochs. The first epoch covers the period before freedom, with Raja Ravi Varma, the Bengal school and other early modern artists.
Step 2: Place the second epoch:
The second epoch began after India became free in 1947. In this period new groups, such as the Progressive Artists' Group, tried fresh ideas and styles. So (A) is correct.
(B) Contemporary period: this is a general term, not the start point asked here.
(C) Before attainment of freedom: this is the first epoch.
(D) None of these: wrong, because (A) is right.
Final Answer:
(A) After attainment of freedom