Ancient IndiaharshavardhanHistoryVardhan Dynasty
Harshvardhan relationship with Nepal
Harshacharit composed by Banabhatta shows, that Harsh received tax from the difficult region of snow-capped mountains. This shows that Harsh conquered Nepal. According to Radhakumud Mukarjee, there was a trend of Harsh Samvat in Nepal, who gives notice of his suzerainty there.
Wars and victories carried out by Harshavardhan.
Reference : https://www.indiaolddays.com