Sanjay Basu is a distinguished legal luminary with over 26 years of extensive experience spanning litigation, arbitration, transactions, and public policy. As the founding partner of AQUILAW, he is widely recognised for delivering strategic, pragmatic, and outcome-driven legal counsel to leading Indian and global corporations, government bodies, and regulatory institutions.

His practice is defined by a rare blend of courtroom excellence, commercial foresight, and deep policy insight. Basu has represented clients in several high-stakes corporate, commercial, constitutional, and criminal matters before the Supreme Court of India, various high courts, and domestic and international arbitral tribunals.

His litigation expertise encompasses writs, suits, and appeals involving tender disputes, infrastructure contracts, blacklisting challenges, defamation, contractual claims, and policy matters. His illustrious tenure as senior standing counsel for the State of West Bengal at the Supreme Court is a testament to the trust and credibility he commands at the highest levels of governance. Equally adept at transactional advisory, Basu brings legal precision and a commercially strategic lens to complex corporate structures, promoter disputes, regulatory frameworks and technology, media, and policy-driven mandates.

He leads the firm’s criminal law practice, representing complainants, accused individuals, and investigative agencies in sensitive and high-impact proceedings. Basu’s diverse clientele includes prominent entities such as Indian Oil Corporation Limited, PwC, ITC Limited, Himadri Speciality Chemicals Limited, ESSAR Group, ABB Group, Damodar Valley Corporation, Kolkata Port Trust, Jupiter Wagons Limited, and Electrosteel Castings Limited.

Deeply committed to public institutions, Basu serves as legal advisor to the Home & Hill Affairs Department, Government of West Bengal, and is a member of the Governing Council of WBNUJS, the State Board of Wildlife, and the West Bengal Heritage Commission. His career exemplifies excellence, integrity, and leadership in the legal profession.

Basu is a member of the Calcutta High Court Bar Association. He was ranked as a Band 1 Lawyer in Asia-Pacific Guide 2025 by Chambers and Partners.