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General Science for RRB JE, NTPC Exam : Part 4 (in Hindi)
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Hemant Mishra
Cleared RRB Clerk , SBI Clerk pre, NTPC 2016, 1 year experience in software developing along with 5 year Experience in Teaching .

Unacademy user
Sir i have a question as per Google Vitamin D discovered by Edward Mellanby and Vitamin c discovered by Albert Szent-Györgyi and Vitamin A and B discovered by Funk. And as per your answer all are different. tell me if i am wrong and kindly clear my doudt.
Make video on numerical.... Plz zzz..... Sir
sir english me bhi samjhaya kro hindi me bhut se bate smjh nhi aati hai..
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