The current COAS is General Bipin Rawat, who took office on 31 December 2016 following the retirement of General Dalbir Singh.\n\nAnswer this question: who is the chief army staff of india?
Step-by-step reasoning process below:
General Bipin Rawat
The relevant information is: The current COAS is General Bipin Rawat, who took office on 31 December 2016 following the retirement of General Dalbir Singh.

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So, the final answer is General Bipin Rawat