A restriction on letters of credit (LCs), natural gas and electricity shortages, unavailability of raw materials and long delays in refunds have brought the textile sector to the verge of collapse, exporters on Tuesday regretted. Exports of the entire textile sector nosedived by 29 percent or $487 million on a yearly basis in Feb 2023, comparing to those made in Feb 2022, Muhammad Javed Bilwani, Chairman, Pakistan Apparel Forum said.