Advisory and litigation on Goods and Services Tax, including registration and classification, replies to show-cause notices, representation in adjudication and personal hearings, appeals before the GST Appellate authorities, and writ petitions before the Madras High Court. The firm also advises on income tax matters, including assessment and reassessment proceedings, replies to notices, and representation before the Income Tax Appellate authorities. The firm further advises on tax compliance and planning.