As nouns the difference between halwa and malwa
is that halwa is an alternative spelling of lang=en while malwa is beer made with millet.
As a proper noun Malwa is
a natural region in west-central northern India occupying a volcanic region of Vindhya range, the Malwa plateau.
malwa
Proper noun
(
en proper noun)
A natural region in west-central northern India occupying a volcanic region of Vindhya range, the Malwa plateau.