Sir, Received an ID suggestion, *Sesbania sesban* var. *picta*. I copy paste the ID keys below-
This is looking like Sesbania sesban var. picta leaflets 40-50 mm long, c. 3-5 mm wide, linear-oblong, obtuse, apiculate, glabrous; stipules c. 5-7 mm long. Inflorescence an axillary raceme; 12-20-flowered, up to 15 cm long. Bract and bracteoles up to 3 mm long, caducous. Pedicel up to 12 mm long, Calyx glabrous, except the margin, c. 5 mm long, teeth c. 1 mm or less, broadly triangular. *Corolla yellow, tinged with or spotted purple*. I attach a bigger picture where flowers have spotted corolla. <https://lh6.googleusercontent.com/-LYGcoudx8Q0/UGfyKm1gVKI/AAAAAAAAEiU/QhhQDjGsN70/s1600/kathshola_x1024_1.jpg> Regards, surajit --

