Sudhanshu became a tenant in 1998 and took silk in 2016. His practice is broad and international.
He has gained legal directory recommendations across the fields of Banking and Finance, International Arbitration, Shipping, Public International Law and Human Rights. The Lawyer Magazine has previously chosen him as one of its "Hot 100" Lawyers.
He acts regularly in complex commercial matters, both in arbitration and in court. His recent cases include a substantial Commercial Court trial concerning letters of credit and alleged fraud (Euro-Asian SA v Credit Suisse AG and Others, October 2016, judgment pending). His commercial work also includes several landmark group claims against multinational corporations, eg: Florez and Others v Equion Energia Limited (5 month trial of claims by Colombian farmers against former BP company, described in the media as "one of the largest cases in environmental legal history"); Chandler v Cape plc (parent company tort liability for asbestosis claims, Court of Appeal); Vava and Others v Anglo American South Africa Ltd (silicosis claims by South African gold miners, jurisdiction challenge). He appears regularly in applications for freezing orders and other urgent relief and in matters relating to jurisdiction and enforcement.
In public international and human rights law his important cases include: Freedom & Justice Party and Others v SoS for Foreign and Commonwealth Affairs and Others  EWHC 2010 (Admin) (challenge to "special missions immunity" in relation to attempted arrest of Chief of Egyptian Armed Forces, raising significant issues of international law, as well as the relationship between prerogative powers and Acts of Parliament); Reyes v Al-Malki (scope of diplomatic immunity in relation to human trafficking claims, Court of Appeal, to be heard in the Supreme Court); R (Campaign Against Arms Trade) v Secretary of State for Business, Innovation and Skills (forthcoming judicial review of licensing of UK arms sales to Saudi Arabia, acting for interveners); The "Enrica Lexie Incident", Italy v India (representing Italy in arbitration under the UN Convention on the Law of the Sea); Del Rio Prada v Spain (test case, challenging the prison sentence of a convicted member of ETA, European Court of Human Rights); Chiragov and Others v Armenia (ethnic cleansing, extraterritorial jurisdiction of ECHR, ECtHR). He has also been acting in various investment treaty matters.
As an advocate he has a unique blend of experience, which encompasses all levels of the English Courts, international commercial arbitration, the Grand Chamber of the European Court of Human Rights and inter-state arbitration in The Hague. In a recent High Court trial he cross-examined witnesses for 7 consecutive court days.