Air: Book a flight from Indira Gandhi International Airport (DEL) in Delhi to Netaji Subhas Chandra Bose International Airport (CCU) in Kolkata. It's the fastest way, taking about 2 to 3 hours.
Train: Indian Railways operates multiple trains between Delhi and Kolkata. Options include Rajdhani Express, Duronto Express, and others. The journey takes around 17 to 20 hours depending on the train and class of travel.
Road: While it's the least preferred due to the long travel time and discomfort, you can opt for a bus service. The journey by bus typically takes around 24 to 30 hours depending on the route and traffic conditions.
Day 1: Arrival in Kolkata, visit Victoria Memorial and Princep Ghat.
Day 2: Explore Howrah Bridge, New Market, Mother House, Indian Museum, and Park Street.
Day 3: Visit Dakshineswar Kali Temple, Belur Math, and enjoy a boat ride on the Hooghly River.
Day 4: Day trip to Sundarbans for wildlife and nature exploration.