MQI President Dr Hussain Mohi-ud-Din Qadri and Director Interfaith Relations Sohail Ahmad Raza visited the residence of Sardar Bishan Singh, the senior leader of Pakistan-Sikh Gurdwara Parbandhak Committee and expressed their heartfelt sympathies and condolences on the passing away of his mother. Sardar Attar Singh and Sardar Hardial Singh were also present on the occasion.