Step 1: Match each modern Indian sculptor with their signature medium or technique.
(A) D. P. Roy Chaudhury is famous for monumental, expressive sculptures like "Triumph of Labour," which were cast in (III) Bronze.
(B) P. V. Janakiram was a pioneer in using repoussé and welding techniques on sheet metal, particularly (I) Copper.
(C) Meera Mukherjee adapted the traditional folk craft of (IV) Dokra (lost-wax casting) for her unique modernist sculptures.
(D) Mrinalini Mukherjee is renowned for her large, organic forms created by knotting and weaving dyed (II) Hemp ropes.
Step 2: Form the sequence of correct matches.
The correct sequence is (A)-(III), (B)-(I), (C)-(IV), (D)-(II). This matches option (1).