Embark on an enchanting Nepal tour package from Kolkata, starting with a flight to Kathmandu to explore the cultural treasures of the Kathmandu Valley, including the iconic Swayambhunath, Boudhanath, and Pashupatinath temples. Next, travel to Pokhara for breathtaking Himalayan views, a serene boat ride on Phewa Lake, and adventure activities like paragliding. Continue to Chitwan National Park for an exciting wildlife safari to spot Bengal tigers, rhinoceroses, and a variety of bird species. Finally, visit Lumbini, the peaceful birthplace of Buddha, for a spiritual retreat. This comprehensive package, combining culture, nature, and adventure, is ideal from October to December or March to May.