IDENTITY : 48: 3 images.
Attaching few images of a climbing Acacia.

Any habit image ?

The plant was in a house at Rahara (a town near Kolkata). The image was taken from road next to the house.

Pl. post high resolution images to check the details.

The images were taken at Rahara (Kolkata)
I will try to request someone to post images of fruits.
Lets see what comes out.

Maybe some Senegalia species. Check with images at Senegalia caesia(L.) Maslin et al.Senegalia rugata (Lam.) Britton & Rose, etc. as I can  not see the details in your small size images