Four youths, all students of a coaching class in Alibaug city in Maharashtra's Raigad district, have been nabbed by police for allegedly using abusive language against Chhatrapati Shivaji Maharaj, an official said on Tuesday.

One of the four accused, an 18-year-old, was arrested while others were detained. The 18-year-old was produced in a court here which remanded him in police custody till Wednesday.