KATHMANDU: Prime Minister KP Sharma Oli today morning planted mango saplings on the premises of his official residence in Baluwatar to celebrate his 68th birthday, said the PM's press coordinator Chetan Adhikari. On the occasion, PM Oli was accompanied by his spouse Radhika Shakya, who also planted saplings of guava tree. The PM cut a cake and offered it to his spouse and his father Mohan Prasad Oli, Adhikari informed. Likewise, Nepal Communist Party (NCP)'s Spokesperson Narayan Kaji Shrestha reached Baluwatar and extended him the birthday wishes. PM Oli was born on February 23, 1952, at Iwa of Tehrathum district in Province 1.