When Nepal suddenly announced a ban on TikTok last year, lawyer Sunil Rajan Singh was determined to fight what he said was a government effort to hide its wrongdoings.

The hugely popular video-sharing platform has faced restrictions in several countries for allegedly breaking data rules and for its supposed harmful impact on youth.

Last week the United States became the latest nation poised to ban the app outright, unless Chinese parent company ByteDance agrees to divest it.