Businessmen who wrote books on prison life!

Former head of McKinsey & Co,c, is not alone in writing a book on his life after serving a prison term. 

Here are a few other businessmen who were convicted or facing trial for various crimes but went on to write books after their prison terms:

RAJAT GUPTA

Rajat Gupta - a director in Goldman Sachs board - was convicted in 2012 for passing on confidential boardroom information to his one-time friend and business associate and stock trader, Raj Rajaratnam.

Gupta's memoir would detail his rise and fall as a top corporate honcho in the United States and how he landed up in a New York prison.

JORDAN BELFORT 

A former stock broker, Jordan Belfort is well-known for being portrayed by Leonardo DiCaprio in 2014 Hollywood grosser The Wolf of Wall Street.

Belfort's brokerage firm Stratton Oakmont defrauded investors through sales of stock.

The firm was busted in 1998, and Belfort was charged with money laundering and fraud.

After his release, Belfort wrote his memoir which went on to become one of the biggest Hollywood hits in 2014.

JACK ABRAMOFF

A former businessman, Jack Abramoff was sentenced to six years in federal prison for mail fraud, conspiracy to bribe public officials, and tax evasion.

He served 43 months before being released in December 2010.

After his release, Abramoff wrote the autobiographical book Capitol Punishment: The Hard Truth About Corruption From America's Most Notorious Lobbyist - published in November 2011.

SUBRATA ROY 

In February this year, Sahara group announced that the group's founder Subrata Roy wrote a philosophical book on his experiences and observations on the day-to-day issues of people.

The Life Mantras is the first book in the Thoughts from Tihar trilogy from Roy.

Roy is lodged in Delhi's Tihar jail since 2014 after he failed to raise Rs 10,000 crore deposit for his release.