RK Sinha, SIS Group Founder and Former BJP MP, Passes Away at 75

RK Sinha, founder of SIS Group and former BJP Rajya Sabha MP, died in Noida on October 30 at the age of 75.

By Entrepreneur Staff | Nov 06, 2026
RK Sinha, SIS Group Founder and Former BJP MP

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Ravindra Kishore Sinha, popularly known as RK Sinha, founder and chairman of Security and Intelligence Services (SIS) Group, died at his residence in Noida on Friday, October 30. He was 75. He was also a former Rajya Sabha member from the Bharatiya Janata Party (BJP).

Born on September 22, 1951, Sinha was among the founding members of the BJP and had been associated with its predecessor, the Bharatiya Jana Sangh. He later served as a Rajya Sabha member representing the party.

Sinha founded SIS Group in Patna in 1974. Under his leadership, the company expanded across India and into international markets, including Australia, offering security, facilities management, and human resource services. SIS grew into a major player in the Asia-Pacific security services industry, with corporate clients across multiple sectors.

His mortal remains will be taken from Delhi to Patna, where people can pay their last respects at Annapurna Bhawan in the Patliputra area. The schedule for the final rites will be announced separately.

Bihar Chief Minister Samrat Choudhary expressed grief over the death, calling Sinha’s contribution to journalism, social service, and organisational work memorable and his death an irreparable loss to the political and social spheres. The Janata Dal (United) also expressed condolences.

Ravindra Kishore Sinha, popularly known as RK Sinha, founder and chairman of Security and Intelligence Services (SIS) Group, died at his residence in Noida on Friday, October 30. He was 75. He was also a former Rajya Sabha member from the Bharatiya Janata Party (BJP).

Born on September 22, 1951, Sinha was among the founding members of the BJP and had been associated with its predecessor, the Bharatiya Jana Sangh. He later served as a Rajya Sabha member representing the party.

Sinha founded SIS Group in Patna in 1974. Under his leadership, the company expanded across India and into international markets, including Australia, offering security, facilities management, and human resource services. SIS grew into a major player in the Asia-Pacific security services industry, with corporate clients across multiple sectors.

His mortal remains will be taken from Delhi to Patna, where people can pay their last respects at Annapurna Bhawan in the Patliputra area. The schedule for the final rites will be announced separately.

Bihar Chief Minister Samrat Choudhary expressed grief over the death, calling Sinha’s contribution to journalism, social service, and organisational work memorable and his death an irreparable loss to the political and social spheres. The Janata Dal (United) also expressed condolences.

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