Daman is well connected with all the major cities. Once after reaching, your trip can be planned as:
Day 1: Take a flight for Mumbai, after check-in and visit Siddhi Vinayak Temple.
Day 2: Transfer to Nashik, visit nearby places and sightseeing.
Day 3: Transfer to Saputara, explore the sightseeing points and get back to your hotel at night.
Day 4: Transfer to Daman, visit all the major places and get back to your hotel at night
Day 5: Leave for Mumbai, after arrival, check in and spend the rest of the day at leisure.
Day 6: Departure