HomeUPSCIn which Amendment, the words Socialist, secular and unity and integrity of the nation were added to the Preamble of constitution of India? 78. In which Amendment, the words Socialist, secular and unity and integrity of the nation were added to the Preamble of constitution of India?By Admin / October 4, 2025 A. 42nd B. 44th C. 52nd D. None of these ✅ The correct answer is option A.