Step 1: Understanding.
Indian society is resilient and has the ability to adapt to changing circumstances, i.e., readjustment.
Step 2: Option analysis.
(A) revive: Not exact.
(B) readjustment: Correct.
(C) succumb to survive: Negative sense, not correct.
(D) be indifferent: Incorrect.
Step 3: Conclusion.
Correct answer is (B) readjustment.