Answer
In Bukhari Shareef (chapter of fasting) names of doors of Jannah are
mentioned:
Baabus-salaat, Baabul-Jihaad, Baabul-Rayyaan, Baabul-sadaqaat
The names of the other doors are according to other Ibaadat. (Mirqaat)
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai