Key Points:

• Law student brutally attacked after argument with shop owner in Kanpur, Uttar Pradesh, three arrested .
• Three persons, including the shop owner, have been arrested for the attack .
• Abhijeet Singh Chandel (22), a first-year LLB student and a resident of Keshavpuram, went to the pharmacy near his house .
• Police said an extortion FIR was registered against the accused but a fresh case was registered once the truth about the brutal assault emerged .