khan sir seminar in Patna || seminar by Khan sir for UPSC and BPSC aspirant|| biggest seminar by Khan sir|| khan sir seminar in 2025|| seminar in Patna for neet and JEE students|| Khan sir|| #khansirpatna #minivlog #khansirseminar#khansirshortvideostatus #patna #kgs #kgspatna #kgsseminar #kgshortyt #kgsiasenglish