The tour from Kolkata to Lahaul and Spiti is an amazing experience that takes you through some of the most beautiful and remote parts of the Indian Himalayas. The journey starts with a flight to Chandigarh, followed by a drive through the scenic hills to Manali. From there, the tour takes you on a thrilling ride through some of the highest mountain passes in the world, including Rohtang Pass and Kunzum Pass. Along the way, you'll visit remote monasteries, serene lakes, and ancient temples. You'll also get the chance to meet friendly locals and learn about their fascinating culture and traditions. Overall, this tour is a must-do for anyone who wants to experience the majestic beauty of the Indian Himalayas.