She had arrived at Hotel Tourist, New Delhi together with a group of Lankan pilgrims on February 28.
She was last seen around 8.00 pm on the same day.
A cash prize of Indian Rs. 25,000 is on offer for information that leads to her finding, relatives say.
Her passport no: is EC6352755.
Information could be given to Hotel Tourist Tel. 00911123610334/40 or Tel: 0719770658
Sri Lanka contact: 094718986914 / 094777191869