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India’s banking sector plays a critical role in supporting economic growth, digital payments, and financial inclusion.
Public sector banks and private lenders together serve hundreds of millions of customers across the country.
The largest banks in India are defined by their vast customer base, strong market capitalization, and growing digital banking services.
India’s banking sector is among the largest and fastest-growing in the world. Public sector banks and private lenders drive digital banking and economic development. Initiatives such as Jan Dhan Yojana, UPI payments, and rapid fintech adoption have significantly expanded the customer base.
Let’s take a look at the top banks in India based on customer base, along with their market capitalization and revenue.
Established in: 1955
The biggest bank in the country, State Bank of India (SBI), has approximately 50 crore customers. SBI has more than 22,000 branches and offers extensive digital banking options through its app YONO. This is in addition to having a current market cap of Rs. 7.4 lakh crore as of FY 2026. It generates a revenue of approximately Rs. 4.7 lakh crore annually.
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Established in: 1894
Punjab National Bank (PNB) serves more than 18 crore customers across India. Major mergers of PNB with other banks during the last few years have allowed it to expand significantly both in terms of the number of branches and digital banking services. As of the latest fiscal year reports, PNB's market cap is approximately Rs. 1.16 lakh crores, while revenue has exceeded Rs. 1 lakh crores.
Established in: 1919
Union Bank of India (UBI) has nearly 15 crore customers after its merger with Andhra Bank and Corporation Bank. As of 2025-2026, Union Bank’s market capitalization is around Rs. 0.95 lakh crores, while its annual revenue is estimated at Rs. 90,000 crores.
Established in: 1908
Bank of Baroda (BoB) is one of India’s largest government-owned banks, which operates in 25 countries. It has more than 12 crore customers. Its market cap is approximately Rs. 1.2 lakh crore and its annual revenue is approximately Rs. 1.1 lakh crore.
Established in: 1906
Canara Bank has over 11.6 crore customers across India. Its merger with Syndicate Bank allowed Canara Bank to expand further across the country. In the fiscal year ending 2025-2026, Canara Bank has a market capitalization of approximately Rs. 0.94 lakh crores and an annual revenue of more than Rs. 1 lakh crores.
Established in: 1937
Indian Overseas Bank has approximately 10 crore customers. In recent years, the company has substantially increased its retail lending capability and financial activities outside the country. Reform measures undertaken by the bank have resulted in improved asset quality, which has directly impacted its financial performance. The bank’s market capitalization is about Rs. 0.97 lakh crores, and its annual revenue is estimated at over Rs. 40,000 crores.
Established in: 1994
HDFC Bank is India’s largest private sector bank by market capitalization, which serves around 10 crore customers. The bank provides digital infrastructure and retail banking services. As of 2026, HDFC Bank’s market capitalization is around Rs. 14-15 lakh crores, while its annual revenue is approximately Rs. 2.5 lakh crores.
Established in: 1985
Kotak Mahindra Bank is one of the leading private banks in India, with over 5 crore customers. It operates in three primary segments: retail banking, wealth management, and investment services. Its current market capitalization is approximately Rs. 3.89 lakh crores, and its annual revenue is more than Rs. 60,000 crores.
Established in: 1994
ICICI Bank is one of India’s largest private banks, serving roughly 3 crore customers. The bank has made substantial progress in retail lending and developed numerous fintech partnerships. ICICI Bank's market capitalization is estimated at Rs. 9.9 lakh crores compared to its annual revenues, while annual revenue exceeds Rs. 1.5 lakh crores.
Established in: 1993
Axis Bank is one of the largest private sector banks in India, providing banking products to around two crore clients. It provides digital banking, credit cards, and retail financial services. The market capitalization of Axis Bank is approximately Rs. 3.25 lakh crores, and its revenues are estimated to be approximately Rs. 1.3 lakh crores annually.
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Banking institutions have been an instrumental part of expanding financial access for Indians. These establishments have contributed to the success of digital payments and global finance.
As India's economy continues to expand and become more financially inclusive, all of these financial institutions will grow with their client base. Their scale and financial strength will continue to shape India’s banking landscape in the coming decade.
Which banks dominate India’s private banking sector?
HDFC Bank, ICICI Bank, Axis Bank, and Kotak Mahindra Bank are among the leading private banks in India.
Which is the largest bank in India?
State Bank of India (SBI) is the largest bank in India based on customer base, branch network, and overall market presence.
How has fintech impacted traditional banks in India?
Fintech innovations have pushed banks to adopt digital services, faster payments, and customer-friendly online platforms.
How has digital banking changed India’s banking sector?
Digital banking, mobile apps, and UPI payments have significantly increased banking accessibility and transaction efficiency.
What role do banks play in India’s economy?
Banks provide loans, financial services, investment opportunities, and support economic development across industries.
