This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Pulse Polio immunization was introduced in - \nSelect and explain. \nA. 1995, B. 2000, C. 1999, D. 2001', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Government of India conducted the first round of PPI consisting of two immunization days 6 weeks apa on 9th December 1995 and 20th January 1996. Ref:PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition , Page 209', 'role': 'assistant'}]