RAILWAY SCIENCE || CHAPTER 6 || AADITYA RANJAN SIR, NTPC ALP TECH,JE EXAM

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Nice session sir 🎉🎉🎉🎉

[@Gurukul_Safar]

Thank you 😊

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Bahut accha

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Math ka bhi class dijiye sir

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Boliye

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Hello

[@Gurukul_Safar]

Hello