Kolkata: Singer Sunidhi Chauhan performs at a concert in Kolkata on Nov 24, 2018. (Photo: IANS)moreSinger Sonu Nigam performs at a concert in Kolkata on Nov 24, 2018. (Photo: IANS)moreSinger Sonu Nigam performs at a concert in Kolkata on Nov 24, 2018. (Photo: IANS)moreSinger Sonu Nigam performs at a concert in Kolkata on Nov 24, 2018. (Photo: IANS)moreKolkata: Singer Sunidhi Chauhan performs at a concert in Kolkata on Nov 24, 2018. (Photo: IANS)moreSinger Sonu Nigam performs at a concert in Kolkata on Nov 24, 2018. (Photo: IANS)moreSinger Sonu Nigam performs at a concert in Kolkata on Nov 24, 2018. (Photo: IANS)moreKolkata: Singer Sunidhi Chauhan performs at a concert in Kolkata on Nov 24, 2018. (Photo: IANS)moreSinger Sonu Nigam performs at a concert in Kolkata on Nov 24, 2018. (Photo: IANS)more