Dr Manish Kulshrestha, Senior Consultant and Unit Head, General and Laparoscopic Surgery, Fortis Hospital, explained proper hand hygiene to actor Nushrat Bharucha. He demonstrated the most effective technique of washing hands with the help of the mnemonic 'SUMAN'. Dr Kulshrestha said that hand hygiene is one of the most important components of any regimen aimed at preventing diseases like Covid-19.