He was arrested on the directions of the Rajasthan High Court, where a case was pending, Sharma said.
Bhatnagar was on social media with a different name, he said.
A detailed investigation of his profile revealed that he was living in the Vaishali Nagar area from where he was arrested, the SHO said.
Two other accused were absconding and Bhatnagar was being interrogated, he added.
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