The Communist Party of Bhutan (Marxist–Leninist–Maoist) (abbr. CPB (MLM)) is an underground communist party in Bhutan. The CPB (MLM) aims to start a New Democratic Revolution and overthrow the Bhutanese monarchy and the House of Wangchuck. Its armed wing is the Bhutan Tiger Force, which had an estimated 600 to 1,000 cadres in 2009. The party's leader uses the nom de guerre Comrade Umesh.