UK MP's Meeting With AAP Leader Draws Scrutiny Over Stance on Khalistan
• British Sikh MP Preet Kaur Gill posted photo with AAP leader Raghav Chadha outside UK Parliament
• Gill has advocated for Khalistani groups in London, France and Germany
• She is accused of mobilizing support for Khalistani separatists like Jagtar Singh Johal
• Intelligence sources say Chadha should've sought Indian government clearance for meeting
• In February, Gill alleged "transnational repression" against Sikhs in UK by "agents with links to India"