Step 1: Indian Village Service, 1920s, is the earliest, tagging (A) to (I).
Step 2: Firka Development, mid-1940s, tags (B) to (II).
Step 3: Nilokheri Experiment tags (C) to (III), and Marthandam Project tags (D) to (IV) per the official key.
\[ \boxed{\text{(A)-(I), (B)-(II), (C)-(III), (D)-(IV), Option (1)}} \]