[1] His grandson is the Indian journalist and founder of the NDTV television network, Prannoy Roy.

His father was a barrister and his maternal grandfather Dr. Soorjo Coomar Goodeve Chuckerbutty was one of the first Indian doctors to be trained in Western medicine.

After the war he completed in Masters in Economics from Cambridge University in 1919 and returned to India.

In 1933, in the competition between the military and the civilians, Santosh De, a student of Roy became the champion.

Among the notable students of Roy were Pramatha Chaudhuri, Phanindra Krishna Mitra, Nagen Chatterjee, Joaquim C. A.

Though Roy himself was an amateur boxer, he fought against Edgar Bright, the then Indian champion in bantamweight division at the Old Empire Theatre and defeated him.

In 2011 the Indian Railway immortalised Paresh Lal Roy by unveiling a marble bust of the boxer in an indoor stadium named after him.