Smita ji. Thanks for sharing the pictures of Luvunga eleutherandraDalz.(Luvungasarmentosa Kurz.)
New to me. Native of Maharashtra.Some info. from BSI flora Scandent shrub(Or large evergreen climber),
Long branches armed with short curved spines2-2.5cmLeaves alternate 3 foliolate. Leaflets coriaceous margins incurved. Flowers 1-1.5 cm across ; in short axillary cymes.....nicely observed here with a cup shaped calyx.