Neutrino and astroparticle physics: Working group reportS MOHANTY and U A YAJNIK* Physical Research Laboratory, Navrangpura, Ahmedabad 380 009, India Abstract. The contributions made to the Working Group activities on neutrinos and astrophysics are summarized in this article. The topics discussed were inflationary models in Raman-Sundrum scenarios, ultra high energy cosmic rays and neutrino oscillations in 4 flavour and decaying neutrino models. Keywords. Left-right symmetry; domain walls; leptogenesis; inflation; extra dimensions. Pacs No.12.10.Dm; 98.80.Cq; 98.80.Ft |