CHANDIGARH: AAP MLA from Bathinda (Rural) Rupinder Kaur Ruby on Wednesday joined the Congress Party in the presence of Punjab Chief Minister Charanjit Singh Channi, Incharge Punjab Affairs Harish Choudhary, PPCC President Navjot Singh Sidhu, Cabinet Ministers Manpreet Singh Badal, Tript Rajinder Singh Bajwa, Pargat Singh, Amarinder Singh Raja Warring and MLAs Lakhbir Singh Lakha and Gurpreet Singh GP besides several party leaders and workers.