Raj Ghatak

 voiced several characters for Big Finish Productions.

Doctor Who Main Range

 * Madquake - Mison

The Sixth Doctor and Peri

 * Conflict Theory - The Complex

Stranded

 * Lost Property - Meter Reader
 * Wild Animals - Sanjit

The Eighth Doctor: The Time War

 * The Famished Lands - Zendo / Emory

Torchwood

 * Sync - Pilot