Palghar, A patient, who was undergoing treatment for a kidney stone, at a hospital here jumped from the second floor of the hospital and died on Saturday, the police said.The deceased identified as Chandrakant Chowdhary (42) from Boisar of the district, was undergoing treatment since last two days.According to police, at around 0645 hrs, he came out of his ward and jumped off. The reason for his suicide was still not known, police further said.An accidental case was registered and further probe was underway, he added.