These leaves are called Pasotia (পচতীয়া). Can be used in 'khar' preparations like 'Amita Khar'.
"পচতীয়া (five-leaved chaste tree, Scientific Name: Vitex negundo). "Pachatia / Pasotia /A giachit (As.) / Nishida (Beng)
Habiat & habitat : A large strongly aromatic deciduous shrub or
small tree. Leaves digitately 3 - 5 foliate and pale green. Leaflets
1.5-5 by 0.5 - 1.5 inch., lanceolate or narrow lanceolate, acute,
entire, crenulate. Flowers lavender to blue in opposite cymes arranged
as panicles. Fruit is small, drupe, slightly ribbed, gland dotted. It is common throughout the state mostly found in open areas. Flowering :April to August. Fruit ripen in cold season" ~ Source: WILD EDIBLE PLANTS OF ASSAM by Brahmananda Patiri & Ananta Borah