Authentic momo and Kolkata puchka

Hello chembur folks,

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Looking for recommendations for authentic momo stall/store. Someone who has the real momo chutney which is spicy and delivers the kick and not the schezwan chutney.

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Also please help with recommendations for Someone who sells Kolkata style puckha aka pani puri. The puris and water are different than your regular pani puri. You have to eat it to know the difference.

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Thanks in advance.