New Delhi [India], May 12 (ANI): Pro-Khalistani slogans were found written on pillars of Delhi metro stations on Sunday, prompting police to launch an investigation. The slogans were seen at Karol Bagh and Jhandewalan Metro Stations. Reportedly, the slogans were written by supporters of Sikhs For Justice (SFJ), a banned Sikh separatist group based in the United States. An FIR has been filed by the Delhi police, and CCTV footage of the two metro stations has been obtained from the Delhi Metro authorities. A security guard at a building close to the Karol Bagh Metro station said that he noticed …