Fill in the blanks1. ……. is the branch of geography that deals with different physical aspects like landform soil etc. 2. For a short time Tamil country was ruled by the ……. not much known. 3. Tamil Nadu coast is the second longest in India after ……. 4. Kallakurichi, Thenkasi and ……. are the newly formed districts of Tamil Nadu. 5. Our state has ……. Assembly Constituencies. 6. All districts of Tamil Nadu except the ……. the Nilgiris and Kanyakumari were bifurcated at different points of time. 7. The Nilgiri hills consists ……. peaks with more than 2000 metres. 8. ……. hills are located to the South of Palghat gap.9. ISRO propulsion complex is situated on the lower slopes of ………. 10. Vainu Bappu Observatory is in …. 11. The Kalvarayan hills separates the river basins of ………. 12. The name Kalvarayan came from the name of ancient tribes. 13. ……. temple an important pilgrim centre is located on Kolli hills range. 14. ……. river separates Coimbatore plateau and Mysore plateau. 15. ……. is one of the intermontane plateau found in the region of Nilgiri hills. 16. ……. are found at the head of Gulf of Mannar in the East Coastal regions. 17. The Reservoir of ………. is called Stanely Reservoir. 18. The network of distributaries of River Cauvery is called ……19. Palar river enters into Bay of Bengal near ………20. The origin of Thamirabarani river is associated with sage …