Ajay sent his fly bot to the place they had met the evil ghosts last time. He didn't want to go there without enough preparation. Being foolish is a kindness to your enemy that you should never do.
Because that way only you will be in a desperate state. Ajay never experienced that but he had seen movies.
Dhvani monitored the real-time surveillance of the fly bot. She didn't know what Ajay had been thinking.
The flybot flew to the place without stopping at a very fast speed. When it neared the place, Ajay stopped thinking about miscellaneous things and looked up.
The flybot imitated the movements of an actual fly so that no one would doubt its presence. The bot was using his magic so no one here would detect it.
He planned this very well. His twofold approach was noteworthy. First, the bot was small and inconspicuous. Second, it didn't use the magic of this world.