• December 1984 to Till Date : Scientist, National Center for Mass Spectrometry, Indian Institute of Chemical Technology, Hyderabad
• Post Doctoral Fellow at Institute of Organic Chemistry, Technical University Berlin, (October1989- August 1991 under the CSIR-DAAD Scientists’ exchange programme)
• Presented papers in international seminars (European Conference on Tandem MS, UMIST, Manchester, U.K. (July 8-13, 1990) and 12thInternational Mass Spectrometry held in Amsterdam (August 26-30, 1991)
• Attended a training program on the advanced applications of mass spectrometry at VG Analytical, Manchester, U.K.     (October 2-13, 1995)
•  Senior DAAD visiting scientist at Institute of Organic Chemistry, T.U, Berlin and Institute of Physical Chemistry, University of Wuerzburg, Germany (May-July, 1999) 
• Attended the training course on Advanced Techno Management Program for Middle level Scientists by Admin. Staff College of India, Hyderabad (1-8- 05 to 9-9-05)
• Successfully completed ISO 9000 : 2000 SERIES AUDITOR/ LEAD AUDITOR training course by TUV, INDIA (12-08-2002 to 16-08-2002 at IICT, Hyderabad)
  

Areas of Interests:

• Editorial Board Member of “Journal of Mass Spectrometry” (John Wiley Pub. ) 
• Editorial Board Member of “Open Spectroscopy Journal (Benthem Science Publishers) 
• Received “Eminent Mass Spectrometrist “ award for the year 2003 from Indian Society for Mass Spectrometry, BARC, Mumbai. 
• One of the co-authored papers (J. Am. Chem. Soc. 113, 5970 (1991) was adjudged by ‘ “The Scientist (USA)” as a hot paper in 1992 
• Fellow of A.P. Akademi of Sciences since March 2007 
• Contributed a chapter on “Neutralization- Reionization Mass Spectrometry” in the book titled “Introduction to Mass Spectrometry” published by Indian Society for Mass Spectrometry, BARC, Mumbai, India 1997. 
• Reviewer for International Journals on organic and bio-organic mass Spectrometry 
• Second best paper award (in organic ms session), 1988, 4th National symposium on mass spectrometry, IISC, Bangalore 
• Best paper award (in organic ms session), 1993 6th National symposium on mass spectrometry, IIP, Dehradun 
• Second best paper award (in organic ms session),1996, 7th National symposium on mass spectrometry, DRDE, Gwalior. 
• Best paper award (in organic ms session), 2003 9th ISMAS National symposium on mass spectrometry, NIO, Goa
• Best performance award by IICT on CSIR foundation day (26th September 2000) for our paper in Rapid Commun. Mass Spectrom.  13 (1999); 
• Best performance award for our paper, Angew. Chemie. Int.Ed. 39, 1445 (2000), which was given 1st ranking among CSIR publications in the year 2000 (chemical sciences). 
• Best performance award for our paper , Chem. A Eur.J. 6, 1236 (2000), which was rated by CSIR as paper with high NIF. 
• Best Paper Award by CSIR for the year 2004 in the area of Physical Sciences. 
• Presented invited talks on Mass Spectrometry in symposia and seminars also extension lectures to M.Sc. chemistry students and lecturers 
• Second best paper award (in organic ms session),2006, 10th ISMAS triennial International symposium on mass spectrometry, Munnar, Kerala 
• Guided 4 Ph.Ds., 15 M.Sc. students, Presently guiding 5 Ph.D. students.

Current Membership of Professional Bodies :

1. Indian Society for Mass Spectrometry (Life member)
2. Indian Society of Analytical Scientists (Life member)
3. Indian Science Congress Association (Life member)
4. Chemical Research Society of India, IISC, Bangalore (Life member)
5. Oil Technologists Association of India (Life member)
6. German Society for Mass Spectrometrists (1990 - 1992)
7. Associate member of Andhrapradesh Akademi of Sciences (Life member))

Number of Publications : More than 100
(Received about 750 citations so far as per the science citation index)
Attended about 40 conferences and presented posters (about 40) / delivered lectures