prasthaanatrayi

shreemadbhagavadgeeta, brahmasootr tatha upanishdon ko milaakar prasthaanatrayi kaha jaata hai.

praacheen kaal me bhaaratavarsh me jab koi guroo athva aachaarya apne mat ka pratipaadan evam usaki pratishtha karna chaahata tha to uske liye sarvapratham vah in teenon par bhaashya likhta tha. aadi shaङakaraachaarya, raamaanuj aadi bade-bade gurooon ne aisa kar ke hi apne mat ka pratipaadan kiya.