Chandigarh | Congress leaders Raj K Verka, Gurpreet S Kangar, Balbir Sidhu, Kewal S Dhillon, Sunder Sham Arora, Kamaljeet S Dhillon, & SAD leaders Bibi Mohinder Kaur Josh & Sarup Chand Singla, along with Mohali mayor Amarjeet S Sidhu join BJP at party office.