Morning: Head to Om Beach for some beach volleyball and water activities such as kayaking and banana boat rides.
Afternoon: Take a trek to Half Moon Beach and Paradise Beach to enjoy the scenic views and peaceful ambiance.
Evening: Visit Mahabaleshwara Temple to witness the beautiful sunset and indulge in some local street food.
Morning: Start the day by visiting Abbey Falls and enjoy the serene beauty of the waterfall.
Afternoon: Head to Dubare Elephant Camp for an elephant safari and spend some time with the gentle giants.
Evening: Visit Raja's Seat and enjoy the scenic views of the sunset.
Morning: Visit Ooty Lake and enjoy a peaceful boat ride while taking in the surrounding views.
Afternoon: Head to Doddabetta Peak and enjoy the panoramic views of the valley.
Evening: Visit Government Botanical Garden and enjoy a leisurely stroll through the lush greenery.
Morning: Visit the tea gardens and learn about the tea-making process.
Afternoon: Head to Echo Point and enjoy the scenic views of the surrounding hills and take a boat ride in Kundala Lake.
Evening: Visit the Mattupetty Dam and enjoy the beautiful sunset while boating.
Morning: Visit Aguada Fort and enjoy the scenic views of the Arabian Sea.
Afternoon: Head to Baga Beach for some water sports and beach activities.
Evening: Visit Tito's Lane for some lively nightlife and party in the club.
In addition to these places, you can consider visiting Jog Falls in Gokarna, Talacauvery in Coorg, Avalanche Lake in Ooty, Top Station in Munnar, and the Basilica of Bom Jesus in Goa.
If you have some extra time, you can also consider visiting the beaches of Gokarna, Nagarhole National Park in Coorg, Mudumalai National Park in Ooty, and Anjuna Flea Market in Goa.
To make the most of your trip, you can also consider hiring a private car to travel between these locations instead of public transportation.
Don't forget to try the local cuisines and indulge in the nightlife of these places to make your bachelor party a memorable one.