Upon arrival at the airport, take a taxi to your hotel and check-in. Spend your morning exploring the grand architecture of the Red Fort and Jama Masjid in Old Delhi. Head to Raj Ghat to pay your respects to Mahatma Gandhi. In the afternoon, take a rickshaw ride in Chandni Chowk, one of the oldest and busiest markets in Old Delhi. End your day with a visit to India Gate and the nearby National Museum.
Start your day by taking a morning flight from Delhi to Kullu. Upon arrival, take a taxi to Kasol. Enjoy the beauty of Parvati River and the lush greenery surrounding the town. In the afternoon, visit the Manikaran Gurudwara, which is known for its hot springs. In the evening, take a walk around the town and enjoy the local cuisine.
Start your day early by taking a guided trek to Kheer Ganga. On the trek, you'll pass through dense forests, natural waterfalls and beautiful meadows. In the afternoon, visit the Tosh Village and enjoy the scenic beauty of the Parvati Valley. Return to Kasol in the evening and take a taxi to Kullu airport for your flight back to Delhi.
If you have more time, visit the Golden Temple in Amritsar on your way to Delhi. For adventure enthusiasts, go on a trek to Sar Pass or Pin Parvati Pass. If you are interested in history, visit the Naggar Castle in Kullu.
Make sure to book your hotels and flights in advance. Check the opening and closing times of all the places you plan to visit. Carry warm clothes as it can get cold in the mountains. Don't forget to try the local food and carry a water bottle with you while trekking.