Kaviraj Pandit Durga Dutt Sharma vs Navaratna Pharmaceutical ... on 20 October, 1964
7. It is settled law in infringement cases, if the defendant's mark is
closely, visually and phonetically similar, then no further proof is
necessary as was held in Kaviraj Pandit Durga Dutt Sharma vs
Navarattana Pharmaceutical Lab. AIR 1965 SC 980.