Who is Ujjwal Nikam, the 26/11 prosecutor taking up Ketan Agarwal murder case?

Ujjwal Nikam, who is going to fight Ketan Agarwal murder case, is special public prosecutor who has worked on prominent murder/terrorism cases, including 2008 Mumbai terror attacks. He ensured terrorist Ajmal Kasab was given a death sentence. Nikam also helped prosecute suspects in 1993 Bombay blasts and Gulshan Kumar-murder case. He has secured 628 life imprisonment sentences in his career.