1. 1st National Symposium on Tobacco, Jan 09-10, 1976 at CTRI, Rajahmundry.
2. 2nd National Symposium on Tobacco, Jan 09-10, 1977 at GAU, Anand
3. 3rd National Symposium on Tobacco, Jan 09-10, 1979 at CTRI Research Station, Pusa.
4. 4th National Symposium on Tobacco, Jan 19-22, 1981 at CTRI Rajahmundry.
5. 5th National Symposium on Tobacco, Feb 15-18, 1984 at CTRI, Rajahmundry.
6. 6th National Symposium on Tobacco, Feb 13-17, 1986 at CTRI, Rajahmundry.
7. 7th National Symposium on Tobacco, Dec 26-30, 1987 at CTRI Research Station, Guntur.
8. Group discussion on "Quest for quality and productivity of tobacco"
Jan 21-22, 1992 at CTRI, Rajahmundry
9. 1995 Tobacco Symposium on "Search for high quality," Feb 1-3, 1995 at CTRI, Rajahmundry.
10. 1998 Tobacco Symposium on "Indian tobacco - Problems and prospects", Jan 20-23, 1998 at CTRI, Rajahmundry.
11. National Symposium on Tobacco on "Together we sustain", Dec 13-16, 2000 at CTRI, Rajahmundry.
12. National Symposium on Tobacco on "Facing future challenges", Jan 23-25, 2003 at ITA Auditorium, Guntur, India
13. One day Seminar on Alternative Crops to FCV Tobacco in A.P. on 19.08.08 at CTRI, Rajahmundry
14. Brain storming session on "Energy Conservation, Curing and Mechanisation in FCV Tobacco Production" on 29.1.09 at CTRI, Rajahmundry
15. National conference on Tobacco(“Scientific strategies for sustainable growth of farm economy and export” at Acharya N G Ranga Agricultural University Auditorium, Hyderabad.
16. National Symposium on Tobacco on "Challenges and opportunities", Nov 24-26, 2009at Central Tobacco Research Institute, Andhra Pradesh, India.
17. XIV National Symposium on Tobacco “New frontiers in tobacco science”, Dec 20-22, 2011 at Central Tobacco Research Institute, Andhra Pradesh, India.
18. One day Seminar on Alternative Crops to FCV Tobacco in A.P. on 19.08.08 at CTRI, Rajahmundry
19. Brain storming session on "Energy Conservation, Curing and Mechanization in FCV Tobacco Production" on 29.1.09 at CTRI, Rajahmundry
