Indu N P2011-01-122011-01-122009Bangalorehttp://www.libraryofyoga.com/handle/123456789/552Indian philosophical systems are known as darñanas. The darñanas have been classified in to two groups; ästika and nästika. Those that are based on the authority of vedäs are called ästika and the rest are nästikaen-USDissertation MScYoga and UpanisadDas santi mantrasResearch2009PART-I LITERARY RESEARCH :Yoga and Upaniñad PART-II EXPERIMENTAL RESEARCH :Spectral analysis of das santi mantrasOther