Ajay manages to kick the sword in the air when it flies and hits Rami Reddy.
When Arun is forcibly given electroshock therapy to calm him down early in the film, several attendants hold him down with bare hands on his arms and legs. They would have also been zapped by the current running through Arun's body from the electrodes.
When Paresh Rawal insults Suneil Shetty he says Main Thukta Teri Surat Pe but his lips say Main Thukta Teri Vardi Pe which was perhaps edited later.