India

Here's an ideal itinerary for 3 days in India that covers all your constraints:

Day 1: Delhi

Start your day with a visit to the Lotus Temple, a beautiful temple shaped like a lotus flower. It's a great place to find some peace and quiet amidst the hustle and bustle of Delhi. Next, head to the Red Fort, a UNESCO World Heritage Site that was once the residence of Mughal emperors. You can take a guided tour to learn about its history and architecture.

After lunch, visit Humayun's Tomb, another UNESCO World Heritage Site that is considered to be the inspiration behind the Taj Mahal. The tomb is surrounded by beautiful gardens and is a great place to relax and soak in the history of Delhi.

In the evening, head to the Akshardham Temple, a stunning temple complex that showcases Indian culture and spirituality. You can watch a light and sound show that tells the story of India's rich heritage.

Day 2: Agra

Take an early morning train from Delhi to Agra to visit the iconic Taj Mahal. This white marble mausoleum is one of the Seven Wonders of the World and is a symbol of love and romance. Spend the morning exploring the Taj Mahal and its surrounding gardens.

After lunch, visit the Agra Fort, another UNESCO World Heritage Site that was once the seat of the Mughal Empire. You can take a guided tour to learn about its history and architecture.

In the evening, head to Mehtab Bagh, a garden complex located across the Yamuna River from the Taj Mahal. It's a great place to watch the sunset and get a different perspective of the Taj Mahal.

Day 3: Rishikesh

Take an early morning flight from Delhi to Dehradun and then drive to Rishikesh, a spiritual town located on the banks of the Ganges River. Start your day with a yoga session at one of the many yoga studios in Rishikesh.

After breakfast, visit the Beatles Ashram, a spiritual retreat that was once visited by the Beatles. You can take a guided tour to learn about its history and see some of the graffiti art left behind by visitors.

In the afternoon, head to Neer Garh Waterfall, a beautiful waterfall located in the nearby hills. You can take a short hike to reach the waterfall and enjoy a picnic lunch there.

In the evening, attend the Ganga Aarti ceremony, a spiritual ritual that takes place every evening on the banks of the Ganges River. It's a beautiful ceremony that involves chanting, music, and lighting of lamps.

That's it! I hope this itinerary helps you plan your trip to India and covers all your constraints.