Flora of China gives the following description for
Reissantia indica (Willdenow) N. Hallé:
Lianas; branchlets green, early slightly quadrangular, then cylindric, glabrous. Petiole 1-1.5 cm, grooved; leaf blade ovate, ovate-elliptic, or rarely lanceolate, 3.5-7(-10) × 2.5-4(-5) cm, papery, base cuneate, distal margin sparsely denticulate, apex subacute; lateral veins 5 or 6 pairs, slender, reticulate veins horizontally spreading. Cymes 3-5 cm; bracts lanceolate, margin sparingly ciliolate; pedicel 8-10 mm. Flowers green-white; sepals ovate-deltoid, ca. 1 mm, membranous, margin irregularly denticulate; petals oblong-deltoid, ca. 1.5 mm. Stamens longer than style; anthers slightly square. Ovary with 4 ovules per locule; style subtriangular. Fruits 1-3-fascicled capsules; capsule narrowly oblong-elliptic, 3-4 × 1-1.5 cm, apex emarginate. Seeds 2, ca. 2.5 cm, wing apex emarginate.
For Loeseneriella arnottiana,
FOI gives the following description:
Leaves are ovate-elliptic, 10 - 18 x 4 - 7.5 cm, pointed at tip, base blunt, leathery, entire or faintly rounded toothed; venation netveined, prominent. Flowers are borne in cymes in leaf-axils, about 8 mm across. Calyx is 5-lobed; sepals triangular, entire, hairless. Petals are 5, round, with narrow claw, hairless, fringed.
Fruit is a samara, narrowly oblong, 8 x 2.5 cm, blunt, striped.
Sometimes conflicting descriptions and details.
So best to go by distribution. In Maharashtra, only Reissantia indica (Willdenow) N. Hallé is reported as per above links.
So take it as Reissantia indica (Willdenow) N. Hallé.
Other observations at id of the tree may also be of Reissantia indica (Willdenow) N. Hallé