New Delhi, Dec 9 (IANS): Prime Minister Narendra Modi on Monday wished Congress chief Sonia Gandhi on her 73rd birthday.

"Birthday wishes to Mrs. Sonia Gandhi Ji. Praying for her long life and good health," Modi tweeted.

A tweet from Congress' official Twitter handle stated, "The longest serving Congress President, Smt Sonia Gandhi's exemplary strength of character has inspired generations of Congress leaders. Her strength, dignity, compassion & grace has united us and made us strong. We wish her a very happy birthday. #HappyBirthdaySoniaGandhi."

Meanwhile, senior Congress leaders extended their wishes to the party supremo.

Taking to the social networking site, Congress Spokesperson Abhishek Singhvi tweeted, "Birthday wishes to the President of the Congress party Smt #SoniaGandhi. Wish a long, fruitful and healthy life to her and her commitment to the idea of India."

Congress interim President, who turns 73 today, is not celebrating her birthday on account of assault on women across the country.

Sonia Gandhi took over as interim President in August after Rahul Gandhi resigned in May this year, taking responsibility of the defeat in General Election.