:question: Plan a 5-day itinerary for Mumbai. 
Day 1: Gateway of India, Marine Drive. Day 2: Elephanta Caves, Haji Ali Dargah. Day 3: Chhatrapati Shivaji Maharaj Vastu Sangrahalaya, Colaba Causeway Market. Day 4: Day of rest or local exploration. Day 5: Bandra-Worli Sea Link, Siddhivinayak Temple.
Create a 5-day travel plan for Mumbai, India.