Mettupalayam to Udagamandalam, India    Duration: 29 miles/5hr  Price: About 30p  The Nilgiri Mountain Railway to Udagamandalam (or Ooty) hill station is India’s only rack and pinion railway, part of the Unesco-listed Mountain Railways of India. Its blue-and-cream trains ply the steepest track in Asia. The uphill leg takes about five hours, but it’s just three-and-a-half back down. It runs past ravines, tea plantations and forested hills; the train crosses 250 bridges and passes t hrough 16 tunnels. This year, steam trains have been reintroduced, though priced for tourists (weekends to 24 June, from £8.60). Book well in advance.     Tomorrow : Sri Lanka  Like our page for more news  Visit www.yallacheckinn.com  to book the HOTELS worldwide...