Nikam was born in Jalgaon, Maharashtra, to Marathi parents. His father, Deoraoji Nikam, was a judge and barrister, and his mother was a homemaker. After receiving his Bachelor of Science degree, he earned a law degree from the K.C.E. Society's S. S. Maniyar Law College in Jalgaon. His son, Aniket, is also a criminal lawyer in High Court Mumbai.
Career
Nikam began his career as a district prosecutor in Jalgaon and worked his way up to state and national trials. In a 30-year career, he has secured 628 life imprisonments and 37 death penalties. Because of his involvement in high-profile trials, he has been provided with Z-plus security by the Government of India.
Rape and murder cases
Murder of Gulshan Kumar : Kumar, a Bollywoodfilm producer, was shot on 12 August 1997 outside a temple in Andheri. Nineteen people were charged in the case, but all but one were acquitted in 2002.
Marine Drive rape case : Police constable Sunil More was convicted of raping a 15-year-old girl in a police station on Marine Drive in Mumbai and sentenced to 12 years in prison.
Khairlanji massacre : A Dalit family was beaten and murdered in Khairlanji, a small village in Maharashtra, on 29 September 2006 by a mob from the more powerful Kunbi caste. On 15 September 2008, six people were sentenced to death and two others given life imprisonment in the killings. The death sentences were later commuted to life in prison.
Murder of Pramod Mahajan : Mahajan, a leader of the Bharatiya Janata Party, was shot by his younger brother, Pravin Mahajan, after a family dispute on 22 April 2006. Pravin was sentenced to life in prison in December 2007.
Mumbai gang rape : In a verdict on 4 April 2014, three repeat offenders were sentenced to death for gang-raping a photojournalist at the Shakti Mills compound in Mumbai, and a fourth received a life term.
Murder of Pallavi Purkayastha : Purkayastha, a 25-year-old woman living in Wadala, was fatally stabbed by a watchman in her building, Sajjad Moghul, after she resisted his attempts to rape her. Moghul was sentenced to life in prison in July 2014.
Murder of Preeti Rathi : Ankur Panwar was convicted and sentenced to death in September 2016 for killing Rathi, a 23-year-old woman, with acid on 2 May 2013 after she rejected his marriage proposal.
Kopardi rape and murder case : In July 2016, a 15-year-old girl was gang-raped and strangled in the village of Kopardi, in the Ahmednagar district of Maharashtra. Nikam opened the trial against three defendants in local court on 19 October 2016. Sessions court awards death sentence to all 3 convicts.
Mohsin Shaikh's murder case : On 2 June 2014, Mohsin Shaikh, an IT professional working as an IT manager in a private textile firm, was attacked and killed allegedly by Hindu Rashtra Sena while he was returning after prayer from Unnati Nagar. Shaikh's family sought Nikam's appointment as the public prosecutor in a letter to the Chief Minister of MaharashtraDevendra Fadnavis. Subsequently, he was made the special public prosecutor in the case by the Government of Maharashtra.
Terrorism cases
1991 Kalyan bombing: Ravinder Singh was convicted of bombing a railway station in Kalyan on 8 November 1991, killing 12 people.
1993 Bombay bombings: A special court was set up in 2000 under the Terrorist and Disruptive Activities Act to try suspects in the series of 13 explosions that took place in Bombay on 12 March 1993, killing 257 people in what was then India's worst terrorist attack. The trial lasted almost 14 years, and dozens of people were convicted.
2003 Gateway of India bombing: Two car bombs went off in Mumbai on 25 August 2003, one at a jewelry market and the other at the Gateway of India, a popular tourist attraction. Three men were convicted and sentenced to death in August 2009.
2008 Mumbai attacks: The three-day siege of Mumbai in November 2008—which targeted luxury hotels, a Jewish center, and other sites—left more than 160 people dead. Ajmal Kasab, the only attacker captured alive by the police, was sentenced to death on 6 May 2010 and hanged on 21 November 2012.
In December 2010, Nikam represented the Government of India at a worldwide convention on terrorism held at the United Nations in New York.