People who have zero understanding of our history and traditions would question the move (sic)," Adityanath tweeted on Tuesday. "Some persons are objecting to renaming Allahabad as Prayagraj. Prayagraj was named Allahabad during the Mughal era, around 500 years ago. "Prayagraj was named Allahabad during the Mughal era, around 500 years ago. The place is a confluence of three Holy rivers namely the Saraswati, Yamuna and Ganga, hence the name Prayagraj ..