खान सर का जन्म 1992 में उत्तर प्रदेश के देवरिया जिले में एक मुस्लिम परिवार में हुआ था. उनका असली नाम फैजल खान है. हालांकि उनका कोचिंग सेंटर पटना में स्थित है और उनकी बोली-भाषा सुनकर कई लोग उन्हें बिहार का समझते हैं.
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