Mumbai, July 27 (TIWN) Punjabi singer Guru Randhwa has lately been focussing on fitness, and he believes pain means positive growth.

Guru, whose crop of superhit songs include "Lahore", "Patola", "High rated Gabru", "Suit", "Ban ja rani", "Ishare tere", "Fashion", "Downtown" and "Slowly slowly", took to Instagram and posted a picture of himself.