LAHORE - A two-day exhibition of Dr Tahirul Qadris writings and a collection of his pictures opened at the Aiwan-e-Iqal on Thursday. More than 6000 CDs and 400 books on different subjects by Dr Qadri and a collection of pictures having history of his 30-years struggle were displayed on the occasion. A large number students from various universities and colleges attended the exhibition organised by the Tehrik-e-Minhajul Quran.