Rekha began her legal career as a Legal Assistant in the chambers of Senior Counsels, gaining valuable experience in litigation and legal research before the High Court of Madras and its Madurai Bench, as well as various tribunals, including the Consumer Forum and Debt Recovery Tribunal (DRT). During this time, she conducted in-depth research on Company Law, Arbitration, and other legal matters. She also drafted a wide range of legal documents, including Sale-Purchase Agreements, Sale Deeds, Mortgage Deeds, Wills, and Indemnity Bonds. Additionally, she prepared writ petitions and criminal petitions for filing before the High Court, as well as pleadings for family disputes before the Family Court.