The Preamble has been amended by the 42nd Constitutional Amendment Act (1976), which added three new words—socialist, secular and integrity.

The original text of the Constitution contained 395 articles in 22 parts and eight schedules. It came into effect on January 26, 1950, the day that India celebrates each year as the Republic Day. The number of articles has since increased to 448 due to 100 amendments.

Answer: A) Directive principle Explanation:

The salary of President of India is discussed here. On September 11, 2008, the Indian government increased the president's salary to 1.5 lakh rupees (approximately to 3.9 lakh in 2022). In India's 2018 Union budget, this compensation was increased to 5 lakh (equivalent to 5.9 lakh in 2023).

Ganesh Mavlankar is considered as the father of Lok Sabha. He was popularly called 'Dada Saheb'. He was the Speaker of the Constituent Assembly (Legislative) and the Provisional Parliament (1947-52). He served as the Speaker of the Bombay Legislative Assembly from 1937 to 1946.

The Indian Constitution has adopted judicial review from the US Constitution.

A joint session of Parliament is conducted when both Rajya Sabha and Lok Sabha are against a bill that is either already passed or will be passed by the parliament. According to Article 108 of the Indian Constitution, only the President of India can summon the joint sitting of the Parliament.