The State Bank of India (SBI) is the largest India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

n banking and financial services company (by turnover and total assets) with its headquarters in Mumbai, India. It is state-owned

Government-owned corporation

A government-owned corporation, state-owned company, state-owned entity, state enterprise, publicly owned corporation, government business enterprise, or parastatal is a legal entity created by a government to undertake commercial activities on behalf of an owner government...

. The bank traces its ancestry to British India

British Raj

British Raj was the British rule in the Indian subcontinent between 1858 and 1947; The term can also refer to the period of dominion...

, through the Imperial Bank of India

Imperial Bank of India

The Imperial Bank of India was the oldest and the largest commercial bank of the Indian subcontinent, and was subsequently transformed into State Bank of India in 1955.-Origin:...

, to the founding in 1806 of the Bank of Calcutta

Bank of Calcutta

The Bank of Calcutta was founded on June 2, 1806, mainly to fund General Wellesley's wars against Tipu Sultan and the Marathas...

, making it the oldest commercial bank in the Indian Subcontinent

Indian subcontinent

The Indian subcontinent, also Indian Subcontinent, Indo-Pak Subcontinent or South Asian Subcontinent is a region of the Asian continent on the Indian tectonic plate from the Hindu Kush or Hindu Koh, Himalayas and including the Kuen Lun and Karakoram ranges, forming a land mass which extends...

. Bank of Madras merged into the other two presidency banks, Bank of Calcutta and Bank of Bombay to form Imperial Bank of India, which in turn became State Bank of India.