"R. K." . "K." . . "Rakesh K." . "Kumar" . "Rakesh K. Sarin"@en-US . . "R." . . "Rakesh K. Sarin" . . . "Rakesh Kumar Sarin" . "Rakesh Sarin"@fr-FR . . "R. Sarin" . "R. K. Sarin" . . . "Sarin" . . "Rakesh" . . .