India, Feb. 28 -- The time to explore Vineet Kumar Singh's journey as Physicswallah comes close. The trailer of the series was unveiled, and the actor has delivered with the trailer itself. The promo, which is more than two minute long, explores his journey beyond coaching. His struggles and the network that he built makes for majority of the trailer. Watch it here.

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Hello Bachhon trailer goes back in time and explores real-life coach Physicswallah's journey. It sees Vineet Kumar Singh in the lead role. The trailer predicts how the coach, who started optimistic like most, witnessed his lowest points before gaining fame as one of...