In 2001, the Assam Government appointed Barthakur as an advisor for strategy, action planning, project formulation, investment initiation and image building exercise for the state of Assam. He was appointed again in 2011. His term with the State Government as an advisor to the Chief Minister of Assam ended in 2016 when the Bharatiya Janata Party replaced the Tarun Gogoi led Congress Government.^[1]

In 2013, he was shortlisted by the then chief minister of Assam Tarun Gogoi for a Rajya Sabha MP seat from Assam. Barthakur was billed a 'dark horse' to win the election, especially as he was supported by dissident factions of the then Congress led by current BJP minister Himanta Biswa Sarma.^[2][3]

Santiuse Kujur was ultimately elected as Rajya Sabha Member.^[4]

Ranjit Barthakur is the executive chairman of the Rajasthan Royals, the inaugural champions of the Indian Premier League. In 2010, the BCCI showed that tender norms were violated by the franchise. Ranjit Barthakur and Fraser Castellino were the only two shareholders of the Rajasthan Royals franchise, completely unknown to the BCCI at the time. Justice BN Srikrishna, arbitrator on the case, suggested that the composition and ownership was known to the BCCI while communicating with the franchise. BCCI made strong claims that no documentation was provided to suggest connections between bidder and company. As a result, Rajasthan Royals were fined rupees 100 crore by the Enforcement Directorate of India ,^[5] whilst an out of court settlement between the franchise and BCCI ensued.

Rajasthan Royals was then banned for two years following a match-fixing controversy.

The franchise is currently owned by Royal Multisport Pvt. Ltd., formerly known as Jaipur IPL Cricket Pvt. Ltd. Articles clearly state that payments "were not received in accordance with regulations. The company approached FIPB repeatedly, but their claims were rejected. Ranjit Barthakur and Fraser Castellino held 5,000 shares each in Jaipur IPL. The shares were then sold to EM Sporting Holdings Ltd. Mauritius, and Emerging Media, UK, at par value"^[6]

Barthakur was close to Lalit Modi, and he declared that 'Modi has given excellent business model in IPL'^[7]

Publicly available documents,^[8] released by Lalit Modi from his website mentioned Barthakur's role in arranging meetings through his Indian National Congress connections.^[9]

A serial entrepreneur.

Ranjit joined the Board of Mount Everest Mineral Water Limited as an Independent Director in September 2008. He also serves as an advisor to several Government and Private Enterprises in pursuit of healthcare services, environmental issues, tourism and social transformation.

Ranjit is on the management board of several corporate, institutions and social organizations both in India and abroad including those of Max Healthcare, Anand Group, Airtel, Hutchison Max-Touch Telecom (Vodafone), Marconi and ITC. He is also a Trustee of Tata Eastern Medical Trust, striving towards Cancer cure.

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2. "Officer Profile | Quotes | Reuters.co.in". In.reuters.com. Retrieved 2012-10-18.
3. "Archived copy". Archived from the original on 2017-06-02. Retrieved 2017-05-19.
4. http://www.voiceofgreaterassam.com/brigadier-retd-ranjit-barthakur-appointed-as-the-new-chairman-of-apsc/
5. "Ranjit Barthakur articles". Articleweekly.com. Archived from the original on 2013-01-17. Retrieved 2012-10-18.
6. "Resignation of Shri Ranjit Borthakur, Advisor to CM, Assam". Government of Assam. 26 June 2016. Retrieved 28 November 2016.
7. Assam Legislative Assembly election, 2016".
8. "38 Congress Candidates for 2nd RS Seat from Assam". The Indian Express. 13 May 2013. Retrieved 13 May 2013.
9. http://indiatoday.intoday.in/story/rajya-sabha-assam-seat-manmohan-singh-to-seek-renomination-landlady-might-join-india-today/1/270557.html
10. "PM will file nomination for Assam Rajya Sabha seat on May 15". Meghalaya Times. 14 May 2013. Retrieved 13 November 2013.
11. "PM to file nomination for Assam RS polls". Sify News. 14 May 2013. Retrieved 13 November 2013.
12. "PM Manmohan Singh to seek renomination to Rajya Sabha from Assam seat, his landlady in Guwahati might join him too". India Today. 11 May 2013. Retrieved 22 November 2013.
13. "PM, Kujur win RS polls - Cong sings unity song, heaves a sigh of relfief". 31 May 2013.
14. "TCS News & Events: Press Release : Tata Consultancy Services enters the Indian Premier League". Tcs.com. Retrieved 2012-10-18.
15. "Season of the Long Knives". Openthemagazine.com. Retrieved 2010-10-17.
16. "'BCCI Aware Of Rajasthan Royals' Workings'". ReachNRI. Retrieved 2010-12-23.
17. "'Cricket:business trumps sports'". The Voice of Goa. Retrieved 2010-10-18.
18. "'IPL scandal: Chennai Super Kings and Rajasthan Royals suspended". BBC World News. 14 July 2015. Retrieved 2017-03-18.
19. Naturenomics Archived 2013-07-21 at the Wayback Machine - A Differentiated Approach to Capital Formation
20. Barthakur, Ranjit. "Ranjit Barthakur: Executive Profile & Biography - Businessweek"^{[dead link]}. Investing.businessweek.com. Retrieved 2012-10-18.
21. ":: Advent Healthcare Group ::". Adventhcg.com. Archived from the original on 2011-12-29. Retrieved 2012-10-18.
22. "index". Naturefirst.co.in. Retrieved 2012-10-18.
23. "B4E Global Summit 2012". B4E Summit. Retrieved 2012-10-18.
24. "Ogilvy India bags the Rs 100 crore National Skill Development Corporation account". Afaqs.com. 2011-05-30. Retrieved 2012-10-18