Jyotish is a Sanskrit word. It means the ‘knowledge of light’. Jyotish is a branch of the Vedas. JYOTISHAM VEDANAM CHAKSUH – the source of the Vedic Indian culture and spirituality are the Vedas. It originated more than five thousand years ago. The Vedas are considered to be the oldest books known to mankind. The ‘Vedic Science’ is still very much in practiced today.