LUCKNOW: Samajwadi Party national general secretary Ram Gopal Yadav on Thursday stoked a controversy as he invoked the castes of Wing Commander Vyomika Singh and Air Marshal A K Bharti — who were part of the media briefings on Operation Sindoor — to mount an attack on BJP, with the latter shredding him for using “casteist glasses” to look at the armed forces.Talking to the media in Moradabad, Yadav accused BJP of carrying out ‘Tiranga Yatras’ to use Operation Sindoor for political mileage. He said BJP members, who had attacked Col Sofiya Qureshi — who was also part of the briefings along with Wing Commander Vyomika — because of her religion, would have done the…