'Facial mask could be any mask used to cover nose and mouth and would also include any face cover including a piece of cloth covering nose and mouth fully to serve the purpose of protection,' tweeted BBMP Commissioner The city civic body, Bruhat Bengaluru Mahanagara Palike (BBMP), has allowed people to wear homemade cloth masks, bandanas and scarfs to adhere to its order of always wearing a mask when outside amid the Covid-19 contagion, an official said on Saturday. "Facial mask could be any mask used to cover nose and mouth and would also include any face cover including a piece of cloth covering nose and mouth fully to serve the purpose of protection," tweeted BBMP Commissioner B.H.