Jaipur: Garment exports from Rajasthan have declined by 30-40% in October as compared to last year after the implementation of GST, said Garment Exporters Assocation of Rajasthan president Ravi Poddar on Thursday. It has cost jobs of nearly 1.5 lakh labourers. The cut in drawback rates and Reimbursement of State Levies from 13% to 2.5% has led to the decline. OC