Who among the following authored the classical Sanskrit treatise on performing arts, Natya Shastra?

The Gurukul system of education in India flourished primarily during the:

Navadatoli is a major site of the Chalcolithic culture of Malwa. Who among the following led the excavation of Navadatoli?

Consider the following statements regarding pilgrimage during the Vedic period: 1. The Vedic age marked the establishment of the first significant pilgrimage centres in India. 2. Kurukshetra is mentioned as one of the earliest and most important pilgrimage regions in Vedic texts. 3. Pilgrimage in the Vedic period was purely ritualistic and did not include philosophical or introspective aspects. How many of the statements given above are correct?