2nd NSIG - Held on 24th & 25th January 1980 at Poona (now Pune)[L to R] Dr. P.L. Bhatia, Mr. K.K. Kapoor, Dr. NVC Rao, (Dy. Dir. General DGTD), Mr. M.V. Patwardhan (CMD, Bank of Maharashtra), Chief Guest, Mr. Krishan Mohan (President - AIIGMA), Mr. G.K. Patni and Mr. R.K. Sanghi.
	2nd NSIG - A view of the audience.
	3rd NSIG - Held on 23rd & 24th January 1981 at Jaipur. L to R M/s. R.K. Sanghi, A foreign delegate, K.K. Pathak, Charanjit Lal (Chief Controller of Explosives), Sham S. Sardana, C. Narain, A foreign delegate, K.S. Rajan (Secy. (TD) & Dir. General (TD), Chief Guest, Krishan Mohan (President - AIIGMA), K.K. Kapoor, K.D. Jain (Dev. Officer, DGTD), S. Deb, Six foreign delegates, General S.P. Vohra (Retd).