CHENNAI, June 26: The Tamil Nadu Tourism Development Corporation has introduced a `Navagraha Worship tour’, covering nine temples in the State. Pilgrims wishing to visit the temples dedicated to the `navagraha’ deities can leave from Chennai on Friday night and return on Monday morning. The tour, priced at Rs 575 for adults and Rs 500 for children, will cover the Vaideeswaran, Thiruvenkadu, Keezperumpallam, Thirunallar, Kanjanur, Suriyanar, Thirunageswaram, Thingalur and Alangudi temples.