The fresh arrests come days after the police nabbed a fifth accused in the case.
A controversy broke out after a video purportedly showing a group of people offering namaaz in Lulu Mall in Lucknow surfaced on social media, leading to a protest by a right-wing Hindu group that also filed a police complaint.
NRI businessman and Lulu group chairman M A Yusuff Ali, who had a miraculous escape on April 11 after his helicopter crash-landed on marshy land in Kochi, has undergone a spinal surgery at a hospital in Abu Dhabi, the company said.
Becks Krishnan was saved by prominent NRI businessman and philanthropist M A Yusuffali who helped to pay his "blood money" amounting nearly Rs 1 crore.