India, March 15 -- Singer-composer Sonu Nigam has done over 20 concerts in the last one month. In fact, he has a show in Mumbai tomorrow, one in Bengaluru day after and an elaborate UK tour coming up at the end of the month. This shows his love not just for his craft, but also for his fans. Ask how he manages to navigate such hectic schedules, and he tells us, "I am used to a very busy life, especially during peak season times (October to February). The only aspect that's at the risk of decline over time is passion. So, I keep a keen eye on my love and gratitude for my craft."...