Here's a 10-day trip plan for Mumbai:

Day 1: Arrival and City Introduction

- Arrive in Mumbai and settle into your accommodation.

- Take a stroll along Marine Drive, also known as the "Queen's Necklace," and enjoy the beautiful view of the Arabian Sea.

- Visit the iconic Gateway of India and explore the Colaba area, known for its bustling markets and cafes.

Day 2: South Mumbai Heritage Walk

- Join a guided heritage walk in South Mumbai to explore the colonial-era architecture and landmarks such as the Chhatrapati Shivaji Terminus (CST), the Municipal Corporation Building, and the Bombay High Court.

- Visit the Prince of Wales Museum (Chhatrapati Shivaji Maharaj Vastu Sangrahalaya) to learn about the art and history of India.

Day 3: Elephanta Caves and Bollywood Tour

- Take a ferry from the Gateway of India to Elephanta Island and explore the ancient rock-cut temples of the Elephanta Caves, a UNESCO World Heritage site.

- In the evening, join a Bollywood tour to get a glimpse of the vibrant film industry. Visit a film studio, see a live film shoot, and learn about the making of Bollywood movies.

Day 4: Bandra and Worli

- Explore the trendy neighborhood of Bandra and visit Bandstand Promenade, known for its sea-facing views and the iconic Bandra-Worli Sea Link.

- Visit Mount Mary Church, a popular Catholic church in Bandra, and explore the vibrant markets and street food stalls in the area.

Day 5: Dharavi Slum Tour and Street Food

- Take a guided tour of Dharavi, one of Asia's largest slums, to gain insight into the daily lives and industries within the community.

- Indulge in Mumbai's famous street food by visiting local stalls and trying popular dishes like vada pav, pav bhaji, and bhel puri.

Day 6: Sanjay Gandhi National Park and Kanheri Caves

- Visit Sanjay Gandhi National Park, a sprawling park within the city, and explore its lush greenery, hiking trails, and the Kanheri Caves, a complex of Buddhist rock-cut caves.

- Enjoy a safari tour or go boating on the lake within the national park.

Day 7: Day Trip to Elephanta Island or Alibaug Beach

- If you missed the Elephanta Caves earlier, you can take a day trip to Elephanta Island to explore the caves in detail.

- Alternatively, head to Alibaug, a coastal town near Mumbai, and relax on the beautiful beaches, visit historic forts, and enjoy water sports.

Day 8: Markets and Shopping

- Explore the bustling markets of Mumbai, such as Crawford Market, Chor Bazaar, and Fashion Street. Shop for clothes, accessories, spices, and souvenirs.

- Visit the famous Dhobi Ghat, an open-air laundromat where clothes are washed and dried in traditional ways.

Day 9: Museums and Art Galleries

- Spend the day visiting museums and art galleries in Mumbai, such as the Jehangir Art Gallery, the National Gallery of Modern Art, and the Dr. Bhau Daji Lad Museum, which showcases Mumbai's history and art.

Day 10: Beaches and Farewell

- Spend your last day in Mumbai relaxing on the beaches of Juhu or Chowpatty.

- Enjoy a sunset walk along the beach, indulge in street food snacks, and bid farewell to the city.