Conformal field theories and quantum groups, L. Bonora; liouville theory and matrix models, E. Gava; BRST analysis of 2-D gravity, K.S. Narain; 2-d gravity and 2-D string theory, I. Klebanov; topological field theory, G. Thompson; W-gravity and strings, C. Hull; topological field theories and integrable models, N. Warner; induced gauge theory at large N, V. Kazakov; geometry of supersymmetric vacua, C. Vafa; open string scattering, M. Bershadsky; black holes and solitons in string theory, A. Sen; self-duality, supersymmetry and integrable systems, E. Sezgin; the spectrum of W-string theories, C. Pope; a class of finite 2-dimensional sigma models and string vacua, A. Tseytlin; introduction to functional methods, gauge theories and quantization, R. Lengo; quark mass heirarchies from a universal see-saw mechanism, K.C. Wali; grand unification - current status and a future perspective, J.C. Pati; supersymmetric standard model; Susy Guts, R. Arnowitt; baryon and lepton number violation in the electroweak model, V. Rubakov; from atmospheric to solar neutrino oscillations and back, Q. Shafi. (Part contents).