Jaunpur (Urban) Pop: 3.5 Lakh (60.31 Sq Kms: City Municipality) * JNU Rural Pop: 42 Lakh (3978 Sq Kms Total District)
click here Varanasi (Urban) Pop: 16 Lakh (60 Sq Km)
click hereYou are comparing BSB City Population with Jaunpur District Population whereas Jaunpur City Pop stands nowhere to Varanasi!!