The correct answer is **Ganesh Vasudev Mavalankar** (Option 4). **Comprehensive Derivation:** The correct answer is Ganesh Vasudev Mavalankar. Explanation & Key Takeaways: Ganesh Vasudev Mavalankar: • Ganesh Vasudev Mavalankar has been conferred the title of 'Father of Lok Sabha' by Jawaharlal Nehru. • In 1946, he was elected the Speaker of the Central Legislative Assembly. • He occupied that post till August 15, 1947, when the Central Legislative Assembly was dissolved and the Constituent Assembly was formed. • Mavalankar again was made the Speaker of the Constituent Assembly (Legislative) on November 17, 1947. • He was made the speaker of the Provisional Parliament which was formed on November 26, 1949. Until 1952, he occupied this chair. • The first Lok Sabha was constituted in 1952. Mavalankar was the obvious choice of Speaker. He defeated the opponent for the post of the speaker by a comfortable margin. • As Speaker, he made several innovations to the rules of the house. • He was largely responsible for the ‘Question Hour’ session being a regular and significant aspect of the parliament. • It was again Mavalankar who initiated the discussion on ‘President’s Address’ and ‘Motion of Thanks’. • Mavalankar created and established many rules for the procedure and conduct of the House which are followed to this day. • He was nicknamed the ‘Father of the Lok Sabha’ by Jawaharlal Nehru. He was also fondly called ‘Dadasaheb’. **Option Elimination:** • **Option 1 (Bal Gangadhar Tilak)**: Incorrect distractor. • **Option 2 (Mahatma Gandhi)**: Incorrect distractor. • **Option 3 (Hukum Singh)**: Incorrect distractor. • **Option 4 (Ganesh Vasudev Mavalankar)**: Correct Answer; accurate according to canonical reference. **Exam Trap:** Be careful of misleading distractors and subtle terminology differences. Verify core properties before selecting your answer. **Memory Booster:** Core mnemonic rule: Ganesh Vasudev Mavalankar corresponds to Option (4).