HDFC Bank Chairman Atanu Chakraborty Resigns Over Ethics; Keki Mistry Appointed Interim Head

Introduction

In a significant development at India's largest private sector lender, HDFC Bank's Part-time Chairman and Independent Director, Atanu Chakraborty, has resigned from his position with immediate effect. The sudden exit, announced on March 18, 2026, was attributed to a conflict with his personal values and ethics regarding certain practices at the bank. The move has unsettled investors, leading to a sharp fall in the bank's stock price. In response, the Reserve Bank of India (RBI) has approved the appointment of HDFC group veteran Keki Mistry as the interim Part-time Chairman for a three-month period.

The Resignation and Its Reasons

Atanu Chakraborty's resignation letter pointedly stated that his decision was based on principles. He wrote, “Certain happenings and practices within the bank, that I have observed over the last two years, are not in congruence with my personal values and ethics.” He clarified that this was the sole basis for his decision, and the bank's regulatory filing confirmed that no other material reasons were behind his departure. The vagueness of the statement, without specific details, has fueled speculation about the internal dynamics and governance standards at the financial institution.

Notably, Chakraborty's letter thanked the bank's independent directors and praised the energy at the middle and junior levels of the organization. However, it conspicuously omitted any thanks to the top executive management, including MD & CEO Sashidar Jagdishan, Deputy MD Kaizad Bharucha, and Executive Director Bhavesh Zaveri.

Immediate Aftermath and Leadership Change

Following the resignation, HDFC Bank moved swiftly to manage the transition. The bank's board accepted the resignation and, in a regulatory filing, announced the appointment of Keki Mistry as the interim Chairman, effective March 19, 2026. The RBI's prompt approval of Mistry's three-month term was seen by some as a move to ensure stability and continuity. Mistry, the former CEO of HDFC Ltd, is a long-time insider. Upon his appointment, he stated that he would not have accepted the role if it conflicted with his principles, indirectly addressing the concerns raised by his predecessor.

Market Reaction and Investor Concerns

The market's reaction to the chairman's abrupt exit was immediate and negative. The bank's US-listed American Depository Receipts (ADRs) plunged by over 7% overnight. On the following trading day in India, HDFC Bank's shares fell by more than 8%, trading close to their 52-week low of ₹812. The development has raised significant questions among investors and analysts. JPMorgan noted that the reasons for resignation raise concerns about potential material disagreements between the board and the company's leadership, which could risk cohesion and future decision-making.

A Critical Tenure and the HDFC Merger

Chakraborty, a former Finance Secretary and Gujarat Cadre IAS officer, joined the HDFC Bank board in May 2021. His tenure was marked by one of the most significant events in India's financial history: the merger of HDFC Ltd with HDFC Bank in 2023. This strategic move created a financial services conglomerate and positioned HDFC Bank as the second-largest bank in the country. In his resignation letter, Chakraborty acknowledged this milestone but added a crucial observation: “Though, the benefits of the merger are yet to fully fructify,” indicating that the complex integration process is still ongoing.

Key Details of the Leadership Change

Broader Governance Questions

The chairman's exit adds to a backdrop of other leadership changes. It was noted that Executive Director Bhavesh Zaveri's term ends in April, and he has not sought reappointment. Sources indicated that the RBI had expressed discomfort with Zaveri's continuation on the board. These events, combined with the unspecified nature of Chakraborty's concerns, have put a spotlight on the bank's internal governance and oversight mechanisms, especially in the critical post-merger phase.

The Bank's Stance and The Path Forward

HDFC Bank's board and senior management have maintained that there are no governance lapses, operational issues, or internal power struggles. They have emphasized that Chakraborty's exit, while unclear, is not related to the bank's operational profitability. The board has stated it will meet soon to deliberate on the path forward, which includes seeking more clarity and initiating the process to appoint a new permanent chairman. For now, the focus is on ensuring a smooth transition under Keki Mistry's interim leadership.

Conclusion

The resignation of Atanu Chakraborty has created a period of uncertainty for HDFC Bank. While the bank and regulators have attempted to reassure stakeholders of its fundamental stability, the chairman's pointed reference to ethical concerns has undeniably impacted sentiment. Investors and the broader market will be closely watching for further disclosures from the bank, the appointment of a permanent successor, and any steps taken to address the governance questions that this high-profile exit has brought to the forefront.