Supporters of medical entrepreneur Durga Prasai held a demonstration in Koteshwar of Kathmandu on Friday afternoon.
The Central Investigation Bureau (CIB) of Nepal Police arrested Prasai from his residence in Bhaktapur on the charge of cyber crime on Tuesday.
The Kathmandu District Court remanded him to custody for five days on Wednesday.
Prasai’s supporters held the demonstration on Friday to protest against his arrest.