HomeUPSCWhich Amendment act introduced changes in the Preamble to the Indian Constitution? 103. Which Amendment act introduced changes in the Preamble to the Indian Constitution?By Admin / October 4, 2025 A. the 38th Amendment act, 1975 B. the 40th Amendment act, 1976 C. the 42nd Amendment act, 1976 D. the 44th Amendment act, 1979 ✅ The correct answer is option C.