Referee's report by John William Nicholson, on a paper 'Conical refraction in biaxial crystals I' by Chandrasekhara Venkata Raman and V S Tamma Sectional Committee: Physics Not recommended for publication in the 'Proceedings of the Royal Society of London'. Believes that, 'among a school of Indian physicists' there is a tendency to thoroughly investigate certain phenomena. The resulting papers, although interesting, are not of the standard required by the Royal Society, but are 'well worthy of publication elsewhere'. [Not published] No received date. nd [1921]