An offence has been registered against a 60-year-old man and his son from Maharashtra's Nashik district for allegedly abetting the suicide of a relative, police said on Sunday.

Based on a complaint lodged on Friday, the Kalyan Railway police registered a case under section 306 (abetment of suicide) of the Indian Penal Code against the duo, who hail from Sinnar in Nashik district, an official said.