Amrik Singh Nimbran

Amrik Singh Nimbran, retired Indian Police Service officer and amateur mathematician.

Amrik Singh Nimbran
Born (1955-11-22) 22 November 1955
Gurgaon, Haryana
EducationB.A
Police career
DepartmentBihar Police
Service years1979–2014
StatusRetired
State Security Advisor of Bihar
Assumed office
6 Dec 2014
Preceded byPost Created
Director General of Police of Bihar (Fire Service & Home Guard)
In office
14 February 2013 – 01 March 2014
Inspector General of Police of Patna Zone
In office
2012–2013

Personal Life

Amrik Singh Nimran was born into Ravidassia (Dalit) community at Haryana.[1]

In 1992, he wrote "Poverty, Land, and Violance: An Analytical Study of Naxalism in Bihar".

Civil Services

Nimbran is a 1979-batch Indian Police Service officer of Bihar cadre.

He is the only IPS officer who holded every position in Patna. He was SP, Senior SP, DIG Central Range, and I.G (Patna Zone) and later appointed as DGP of Bihar (Fire Service and Home Guard).[2][3]

He got retired in 2014 after giving 35 years of service to the state.[4]

He is the first State Security Advisor of Bihar and included under Jitan Ram Manjhi's govt. Being a Dalit and senior officer, Nimbran was considered Majhi's comrade.[5]

Mathematics

He is an amateur mathematician and his papers are published in the Indian Journal of Pure and Applied Mathematics and Indian Math Society in 2016 and The Ramanujan Journal in 2018 regarding Generalized Wallis-Euler Products and New Infinite Products for π.[6][7]

Published "Euler Sums and Integral Connections" in MDPI.[8] He have 64 publications on mathematics and he is mainly contributing in arc tangent identities, infinite series and infinite products for computing Pi.[9]

References
  1. "Manjhi empowers Dalit IAS officers". The Sen Times. 12 January 2015. Retrieved 7 June 2020.
  2. Dec 7, TNN |; 2014; Ist, 00:49. "Nimbran tipped to be security adviser to govt | Patna News - Times of India". The Times of India. Retrieved 7 June 2020.CS1 maint: numeric names: authors list (link)
  3. India, Press Trust of (11 February 2013). "Bihar govt promotes four IPS officers to DGP rank". Business Standard India. Retrieved 7 June 2020.
  4. "Nimbran Retires; Thanks Bihar for Allowing it to Serve - PatnaDaily". www.patnadaily.com. Retrieved 7 June 2020.
  5. "Caste is his comrade: Manjhi wields Dalit officers to gain grip over Bihar". Hindustan Times. 11 January 2015. Retrieved 7 June 2020.
  6. "Google Scholar". scholar.google.com. Retrieved 7 June 2020.
  7. Jun 19, Gyan Prakash | TNN |; 2009; Ist, 03:10. "Bihar cop in league of top mathematicians | Patna News - Times of India". The Times of India. Retrieved 7 June 2020.CS1 maint: numeric names: authors list (link)
  8. Sofo, Anthony; Nimbran, Amrik Singh (9 September 2019). "Euler Sums and Integral Connections". Mathematics. 7 (9): 833. doi:10.3390/math7090833. ISSN 2227-7390.
  9. "Amrik NIMBRAN | Home". ResearchGate. Retrieved 7 June 2020.
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