KATHMANDU: Chiranjibi Nepal, adviser to Deputy Prime Minister and Minister for Foreign Affairs Sujata Koirala, has tendered his resignation, according to a highly placed source. Nepal, who had been serving in the capacity of political adviser to Koirala for more than a year, resigned on Sunday. “Nepal tendered his resignation citing personal reasons,” Koirala confirmed. A source close to Koirala said she would take his resignation to the next Cabinet meeting for approval. Though Nepal cited ‘personal reasons’, sources claimed he quit after ‘bitter differences’ with Koirala.