The list of marquee investors in Paytm, owned by Vijay Shekhar Sharma-founded One97 Communications, includes Jack Ma-led Alibaba and Masayoshi Son-led SoftBank. Now, it has added Warren Buffet’s Berkshire Hathaway to the list. The US-based company invested $365 million in Paytm, valuing it at $12 billion. Sharma tells Karan Choudhury that this will help his company become truly global. Edited excerpts:
When did the talks start?

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