Calamur Viravalli Sundara Sastri (also speltSundram or Sundaram, andSastry,Sastriar, Sastriyar, orSastrigal) was a leadingVakil of theHigh Court of Madras,^[1] second in the Calamur line to bear the styleViravalli, and of a family line occupying a prominent position and status within theMadras Presidency; a "giant" ofMadras jurisprudence, with a "very large" practice on the Original Side, which he shared with his partner and adoptive brother,Sir P. Ananda Charlu. Sundara Sastri published a Revised Set of the Rules of Practice for Original side litigation, which became de rigueur,^[2] and was noted as an orator with 'perfect' diction. He authored theSundararāmāyaṇa.

AlongsideK. P. Viswanatha Iyer,Sir C. Sankaran Nair,P.V. Krishnaswami Chetty,Sir V. Bhashyam Iyengar, andSir P Ananda Charlu, he was one of only sixVakils to occupy two sets of chambers simultaneously.^[3]

• Lawyers from British India
• Mylapore clique
• Madras High Court

• Year of birth missing
• Year of death missing