The Sikkim Democratic Front's(SDF) 10  MLAs  merged here at party headquarters on Tuesday with the Bharatiya Janata Party. The 10 MLAs led by Dorjee Tshering Lepcha met with senior politicians and joined the party in the presence of BJP working chairman Jagat Prakash Nadda and general secretary Ram Madhav.The SDF MLAs, who joined the BJP, are Dorjee Tshering Lepcha, Ugyen Tshering Gyatso, Narendra Kumar Subba, Dilli Ram Thapa, Karma Sonam Lepcha, Krishna Bahadur Rai, Tashi Thendup Bhutia, Farwanti Tamang, Pintso Namgyal Lepcha and Raj Kumari Thapa. Now, the BJP, without winning a single seat in the Assembly polls, has become the main opposition party in Sikkim.