. "Ravi" . "V." . . "Vaidyanathan"@en . "V. Ravi Ravi Kumar" . "1959" . "Vaidyanathan Ravi" . "Vaidyanathan Ravikumar" . . "Ravikumar"@en . "Vaidyanathan Ravi Kumar" . "Vaidyanathan Ravikumar" . "Vaidyanathan Ravikumar"@en . . "Ravi Kumar" . . "Kumar" . . .