New Delhi, Jan 5 (IANS): Prime Minister Narendra Modi on Sunday wished veteran BJP leader Murli Manohar Joshi on his 86th birthday, calling him "unwavering" personality on subjects of national interest.

"Greetings to Murli Manohar Joshi Ji on his birthday. Joshi Ji has made an indelible contribution to our country during his long years in politics, Parliament and as a Minister. He is unwavering when it comes to safeguarding national interests and furthering national progress," Modi tweeted.

In another tweet, Modi said he considers himself fortunate to have had the opportunity to work with Joshi for many years.

"Like me, several Karyakartas learnt so much from him. His role in strengthening the Party is extremely valuable. I pray for Joshi's long and healthy life," Modi said.

Born on January 5, 1934, in Nainital in Uttarakhand, Joshi has been the President of the BJP between 1991 and 1993, and the member of Parliament from Kanpur constituency.

Indian politician and physicist, Joshi, was formerly a professor of Physics in Allahabad University in Uttar Pradesh.