डॉ. पंजाबराव देशमुख यांच्या कार्याबाबत खालीलपैकी कोणते विधान चुकीचे आहे ?

The correct answer is Option C (He held the Post of President of 'Vidarbh-Madhya Prant non-brahmin Conference in 1938').

Key Points:
• Dr. Panjabrao alias Bhausaheb Deshmukh (1898–1965):
• Founded Shri Shivaji Education Society (1932) in Amravati and served as India's first Union Minister of Agriculture.
• Statement 1 is correct: In 1950, he presided over the All India Backward Classes Federation / Akhil Bharatiya Magas Jati Sangh.
• Statement 2 is correct: He chaired the Backward Classes Scholarship Board and fought for OBC reservations.
• Statement 4 is correct: In 1955, he established and became the President of the *Bharat Krishak Samaj* (Farmers' Forum of India) and organized the World Agriculture Fair in Delhi (1959).
• Statement 3 is incorrect: He was not the president of the 1938 Vidarbha-CP Non-Brahmin Conference as stated.
• Key Takeaway: Statement 3 is incorrect regarding Dr. Panjabrao Deshmukh (he founded Bharat Krishak Samaj and headed the Backward Classes Federation).