LAHORE - Punjab Assembly Speaker Rana Muhammad Iqbal has said that agriculture and industry of the country will face serious challenges if immediate steps are not taken for reducing the gap of energy shortfall. He expressed these views while addressing 33rd convocation of Institute of Electrical and Electronics Engineers Pakistan at a local hotel on Saturday. Rana Iqbal said engineers could bring revolutionary changes in the field of energy, however, they should be provided with ample opportunities of research to bring the changes.