Mumbai, Oct. 22 -- As gyms and fitness centres are allowed to open up in the state from October 25, the Brihanmumbai Municipal Corporation (BMC) has said that citizens should continue wearing facial cover or mask inside gyms and fitness centres during exercising as a precautionary measure. However, the BMC has said citizens can remove the mask, in case of discomfort or feeling suffocated. The BMC said it will issue an advisory on the same post the final decision by the state government on the detailed standard operating procedure (SOP)....