Which one of the following is not a variety of mango

Answer: Option D

Arka Aruna, Arka Puneet and Arka Anmol are varieties of mango whereas Arka Hans is not a variety of mango, it is a hybrid variety of grapes developed by the cross between Bangalore Blue and Anab-e-Shahi.
Arka Aruna is a hybrid between Banganapalli and Alphonso. it is dwarf, regular bearing and precocious.
Arka Puneet is the progeny from the cross Alphonso and Banganapalli. It is a mid-season variety.
Arka Anmol is derived from the parentage Alphonso and Janardhan pasand. It is a semi-vigorous type, regular bearing.