His father and mother came from Dhaka, Bikrampur, East Bengal (now Bangladesh) from a rich landlord family named Bhagyakul Zamindar.

[17] Sahara has a workforce of around 1.2 million including salaried employees, consultants, field workers, agents, and business associates, etc.

[21][22][23] On 26 February 2014, the Supreme Court of India ordered the detention of Roy for failing to appear before it in connection with legal dispute with Market Regulator – SEBI.

[24] In a statement after the arrest, his lawyer said Roy's 92-year-old mother was in poor health and needed "her eldest son" by her side, and hence he failed to appear at the court.

[26] Roy rejected allegations of misconduct and accused the Indian National Congress of a witch hunt due to his opposition to Sonia Gandhi becoming the country's prime minister.

[27] Initially he was granted interim bail by the Supreme Court on 26 March 2014 on condition of depositing ₹10,000 crore to the market regulator SEBI.

[3] On 28 August 2020, two petitions were filed against the release of the Netflix documentary Bad Boy Billionaires: India in the Bihar District Court.

The Bihar Court passed an interim stay order on the petition filed by Roy against the release of the documentary on the Netflix platform.

[36] On 5 October 2020, Netflix released three out of four films in the anthology, including those featuring Vijay Mallya ("The King of Good Times"), Nirav Modi ("Diamonds Aren't Forever"), and Subrata Roy ("The World's Biggest Family"), while the final episode about Ramalinga Raju remained encumbered by legal injunctions and as of December 2020 has yet to be released.

[37] In 2013, Sahara contributed to the relief efforts in flood hit Uttarakhand region wherein one lakh bottles of drinking water, packaged juice and food packets along with candles and match boxes were said to be provided by them.

There were 25 medical health unit vans equipped with doctors and free medicines made available and it was said by the group that, they will contribute to the rehabilitation programme by constructing 10,000 pre-fabricated houses.

[40] Roy died due to cardiorespiratory arrest following an extended battle with complications arising from metastatic malignancy, hypertension and diabetes on 14 November 2023, at age 75.