Dear Sulekha Saxena Looking at your profile https://www.researchgate.net/profile/Sulekha-Saxena-5 I see 6 research items. You mention 15, does it mean you have another profile? Or are the remaining papers not linked to your profile? If you want to merge profiles, see https://help.researchgate.net/hc/en-us/articles/14292803187473-Duplicate-profiles
How to link papers in RG to your profile or add papers not yet present in RG, see https://help.researchgate.net/hc/en-us/articles/14292798510993-Authorship