ะ—ะฐะบะฐะทะฐั‚ัŒ ั€ะตะบะปะฐะผัƒ ะฒ Sahil sir Aditya Ranjan sir Notes math all exam RRB SSC GD UPSC JSSC JPSC MTS CGL NTPC math UPSC ALP Technician Railway ssc โ€” Telagon