Delhi Deputy Chief Minister Manish Sisodia on Monday hit out at the central government for demonetisaion of higher currency notes and asked how trade would go on without any cash."How will traders do business when there is no cash with them because of demonetisation of Rs 500 and Rs 1,000 notes," Sisodia told reporters while inaugurating the Delhi Pavilion at the 36th India International Trade Fair (IITF) at Pragati Maidan here.He said he has requested the India Trade Promotion Organisation (ITPO) to allow the use of Rs 500 and Rs 1,000 notes at IITF for public convenience.The central government had announced demonetisation of Rs 500 and Rs 1,000 notes on November 8.Sisodia said that common people, especially traders, are facing trouble due to the move. "There is no cash in ATMs and there are huge queues in front of banks and ATMs. "Everyone's business has collapsed because of demonetisation. How will they do business now?" Sisodia asked.