India, March 6 -- With mountain peaks, proximity to glaciers and pristine high-altitude lakes, Sikkim is one of India's most adventurous destinations. However, an average three-days trip to the state ranges between Rs.30,000-Rs.50,000 for two people. Now, there's some good news for those looking to explore the region on a budget. The upcoming railway station at Rangpo will reduce the travel cost by subtracting the flying cost from Bagdogra. While we wait for the station to be functional soon, you can still plan a strictly pocket-friendly trip at Rs.25,000 using this guide....