Patna: Sufi singer Mamta Joshi performs during a programme in Patna on March 18, 2017. (Photo: IANS)morePatna: Sufi singer Mamta Joshi performs during a programme in Patna on March 18, 2017. (Photo: IANS)morePatna: Sufi singer Mamta Joshi performs during a programme in Patna on March 18, 2017. (Photo: IANS)morePatna: Sufi singer Mamta Joshi performs during a programme in Patna on March 18, 2017. (Photo: IANS)morePatna: Sufi singer Mamta Joshi performs during a programme in Patna on March 18, 2017. (Photo: IANS)morePatna: Sufi singer Mamta Joshi performs during a programme in Patna on March 18, 2017. (Photo: IANS)more