Hi Parampreet, Here is a possible itinerary for a 7-day trip: Day 1: Delhi to Agra (238 kilometers, 5-6 hours) Start your journey from Delhi and drive to Agra, the city of the Taj Mahal. Visit the Taj Mahal in the afternoon and then explore the other historical monuments in Agra, such as the Agra Fort and the Fatehpur Sikri. Day 2: Agra to Lucknow (379 kilometers, 6-7 hours) Drive from Agra to Lucknow, the capital of Uttar Pradesh. Visit the Lucknow Residency and the Bara Imambara in Lucknow. Day 3: Lucknow to Siliguri (1,144 kilometers, 14-15 hours) Continue your drive to Siliguri, the gateway to Sikkim. On the way, stop at some of the popular tourist destinations in West Bengal, such as Darjeeling and Kalimpong. Day 4: Siliguri to Gangtok (122 kilometers, 2-3 hours) From Siliguri, drive to Gangtok, the capital of Sikkim. Visit the Tashi Viewpoint and the Hanuman Tok in Gangtok. Day 5: Gangtok to Pelling (135 kilometers, 2-3 hours) Drive from Gangtok to Pelling, a beautiful town in West Sikkim. Visit the Pemayangtse Monastery and the Rimbi Falls in Pelling. Day 6: Pelling to Lachung (74 kilometers, 2-3 hours) From Pelling, drive to Lachung, a small town in North Sikkim. Visit the Yumthang Valley and the Lachung Monastery in Lachung. Day 7: Lachung to Siliguri (122 kilometers, 2-3 hours) Drive back to Siliguri and catch your flight or train back to Delhi.