Prof. Ravindra Kumar Sinha (Hindi:रवीन्द्र कुमार सिन्हा ; born 15 February 1960) is the director of the CSIR-Central Scientific Instruments Organisation (CSIR-CSIO) Sector-30C, Chandigarh-160 030, India & Professor - Applied Physics, Dean-Academic[UG] & Chief Coordinator: TIFAC-Center of Relevance and Excellence in Fiber Optics and Optical Communication, Mission REACH Program, Technology Vision-2020, Govt.
 of India Delhi Technological University (formerly Delhi College of Engineering, University of Delhi) Bawana Road, Delhi-110042, India.
Central Scientific Instruments Organisation is a national laboratory dedicated to research, design and development of scientific and industrial instruments.
 It is one of the constituent laboratories of the Council of Scientific & Industrial Research (CSIR), India, an industrial research and development organisation of the country.
 CSIO is situated at Sector 30C, Chandigarh, India.
John Browning (c.1831 – 1925) was an English inventor and manufacturer of precision scientific instruments in the 19th and early 20th centuries.
 He hailed from a long line of English instrument makers and transformed the family business from one dealing in nautical instruments to one specialising in scientific instruments.
 Browning was particularly well known for his advances in the fields of spectroscopy, astronomy, and optometry.
Henry Hindley (1701–1771) was an 18th-century clockmaker, watchmaker and maker of scientific instruments.
 He invented a screw-cutting lathe, a fuse-cutting engine and an improved wheel-cutting engine and made one of the first dividing engines, for the construction of accurately-graduated arcs on scientific instruments.
 He is thought to have made the world's first equatorially-mounted telescope, which can now be seen in Burton Constable Hall.
The Niagara Science Museum is a science museum established in Niagara Falls, New York in 2009.
 The museum's mission is to demonstrate the history of scientific discovery through the preservation, restoration, and demonstration of the scientific instruments and technologies.
 The Niagara Science Museum houses a collection of over 2,000 scientific instruments and technologies dating from the 1700s to the present.
Piara Singh Gill (28 October 1911 – 23 March 2002) was an Indian nuclear physicist who was a pioneer in cosmic ray nuclear physics and worked on the American Manhattan project.
 He was the first Director of Central Scientific Instruments Organisation (CSIO) of India.
 He was research fellow of University of Chicago (1940).
 He was research Professorship fellow of Tata Institute of Fundamental Research (TIFR) (1947), Officer-on-Special Duty (OSD) with the Atomic Energy Commission in New Delhi.
 Professor and head of the Department of Physics at Aligarh University (1949), Director of Central Scientific Instruments Organization (CSIO) (1959) and Professor Emeritus Punjab Agricultural University (1971).
Robert Stewart Whipple (1871–1953) was a businessman in the British scientific instrument trade, a collector of science books and scientific instruments, and an author on their history.
 He amassed a unique collection of antique scientific instruments that he later donated to found the Whipple Museum of the History of Science in Cambridge in 1944.
J. L. (Les) William (January 18, 1915 – June 4, 1994) was an Australian builder of scientific instruments.
 Born in Melbourne, Australia he was known for his beautiful and precision craftsmanship and was known as one of the best scientific instrument makers in Australia.
 His equipment can be found in Australian laboratories that existed from the 1930s through to the 1980s.
 He founded a company situated in the Melbourne suburb of Hughesdale called J.L. William Scientific Instruments.
 William attended Caulfield Technical School and worked at his brother's firm during the Second World War.
 Soon after he set up his own instrumentation company.
 He never married and in his later years suffered from motor neurone disease.
Review of Scientific Instruments is a monthly peer-reviewed scientific journal published by the American Institute of Physics.
 Its area of interest is scientific instruments, apparatus, and techniques.
 According to the "Journal Citation Reports", the journal has a 2016 impact factor of 1.515.
Chandigarh (] ) is a city and a union territory in India that serves as the capital of both neighboring states of Haryana and Punjab.
 The city is not part of either of the two states and is governed directly by the Union Government, which administers all such territories in the country.

Question: Central Scientific Instruments Organisation is situated in a city governed by who?
Answer: Union Government