Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.
Hotels in the vicinity of Ayodhya were heavy booked ahead of the Ram Mandir inauguration, indicating the anticipation and high demand for accommodations during the event.
1
are heavy booked
2
were heavily booking
3
were heavily booked
4
No substitution required