Question: when was the state bank of india established
Answer: On 1st April , 2017 , State Bank of India , which is India 's largest Bank merged with five of its Associate Banks ( State Bank of Bikaner & Jaipur , State Bank of Hyderabad , State Bank of Mysore , State Bank of Patiala and State Bank of Travancore ) and Bharatiya Mahila Bank with itself .