Thank you Nayan Sahib,
Yes, this is the plant. Description on page 272 of Illustrated Flora of Keoladeo National Park (BNHS publication) mentions,"A prostrate or ascending, perennial herb with a stout tap root. Leaves opposite, in pairs of unequal sides, boradly ovate, cordate at base, wavy on margin. Flowers sessile, pinkish-white, arranged in axillary or terminal umbel-like, peduncled clusters. Fruits clavate, 5-ribbed, glandular along the ribs". Habitat : Roadsides and scattered in sandy soil throughout the ulands. Flowering : Throughout the year."
Also, Isaac Kehimkar's Common Indian Wild Plant mentions it at Serial No. 199, page No. 102.
Thanks again for your prompt response.
Suresh C Sharma