After reaching Chennai Central, take the Metro, a prepaid auto, or a cab to your Mylapore hotel—allow roughly 30–45 minutes, depending on traffic. Leave your luggage at the hotel, freshen up, and begin on foot or by auto toward Kapaleeshwarar Temple. Visit in the morning, when the heat is manageable and the temple atmosphere is liveliest; allow about an hour to admire its colorful Dravidian gopuram and inner courtyards. Dress modestly, remove footwear where required, and check the day’s pooja timings locally, as temple schedules can vary. Follow this with breakfast at Saravana Bhavan in Mylapore—idli, vada, dosa, pongal, and filter coffee make an easy, filling start at roughly ₹150–300 per person. The temple and breakfast stop together should take around two hours.
Take an auto or cab from Mylapore to San Thome Basilica, usually 10–15 minutes. Spend about an hour inside this historic Gothic church and its small museum; the quiet interior makes a pleasant contrast to the busy streets outside. For lunch, you can eat around Santhome or wait until George Town, depending on your pace. Continue by cab to Fort St. George, allowing approximately 25–35 minutes in daytime traffic. Set aside 1–1½ hours for the fort complex and museum, where you can see colonial-era buildings, portraits, military exhibits, and the surroundings of Chennai’s historic administrative heart. Check the museum’s current opening hours before leaving the hotel, since government-site timings and closures can change. Keep water with you, as the fort grounds offer limited shade.
From Fort St. George, reach Marina Beach in about 15 minutes by auto or cab. Arrive roughly 45 minutes before sunset so you have time to walk along the promenade, find a less-crowded stretch, and take group photographs. The beach is ideal for a relaxed evening rather than swimming—the currents are strong, and entering the water is unsafe. For a couple-friendly moment, take a quieter walk together while your friend and brother explore the food stalls and promenade; avoid isolated areas after dark and keep phones and wallets secure in crowded sections. Try hot sundal, roasted corn, murukku, or fresh juice from busy, hygienic-looking vendors, then have dinner at a well-reviewed restaurant around Triplicane or return to Mylapore, budgeting ₹300–600 per person. A cab back to the hotel is the most comfortable option at night; allow 20–35 minutes depending on traffic, and avoid leaving valuables visible on the beach.
Leave Chennai around 6:30 AM in your reserved cab via the East Coast Road (ECR). The drive to Mahabalipuram usually takes 1½–2 hours, and the early start is worthwhile: the roads are quieter, the monuments are cooler, and you will reach before the strongest coastal heat. Keep water, sunglasses, and a light scarf handy; ask the driver to wait during sightseeing and confirm the return fare, parking, and tolls in advance.
Begin at Shore Temple, where the Pallava shrine sits dramatically beside the Bay of Bengal. Allow about an hour for the temple and seafront photographs, especially around the stone paths and outer walls. The monument generally opens from early morning to evening, with entry commonly around ₹40–₹50 for Indian visitors, though timings and ticketing can change. From there, take the cab roughly 10 minutes to Pancha Rathas. Spend another hour walking among the monolithic chariots; this is one of the best group-photo stops, but the exposed stone area becomes hot quickly, so finish before noon.
Have lunch at Mamalla Bhavan, a practical local choice for vegetarian South Indian food. Order thalis, dosa, meals, curd rice, and fresh lime juice; expect approximately ₹200–₹400 per person. After lunch, continue to Arjuna’s Penance and Krishna’s Butter Ball, only a short drive away. The enormous rock relief at Arjuna’s Penance rewards a slow look at its carved figures, while Krishna’s Butter Ball makes a fun, unusual photo stop for all four of you. Set aside about an hour and carry cash for small purchases; the surrounding lanes have stone-carving shops and small stalls, but compare prices before buying.
Return toward Mahabalipuram Beach in the late afternoon and keep around 1½ hours to relax, walk along the sand, and photograph the coastline. The rocks and shore are especially attractive near sunset, making this a pleasant couple-friendly pause for you and your girlfriend while your friend and brother explore the promenade and take group pictures. Avoid swimming because currents can be strong and lifeguard coverage is limited. Have an early dinner near the beach—look for simple seafood, biryani, dosa, or North Indian restaurants, budgeting ₹500–₹900 per person—then begin the drive back to Chennai around 7:30 PM. Allow roughly 1½–2½ hours depending on ECR traffic; keep the next morning’s departure in mind, and ask the driver to drop you directly at your hotel rather than ending near the beach.
Have your cab drop you at Egmore around 8:45–9:00 AM, after the drive from Mahabalipuram. Keep luggage securely in the vehicle or at your hotel; avoid carrying large bags into the museum. Spend about two hours exploring the archaeological galleries, famous Chola bronzes, Amaravati sculptures, and the art sections. The museum is generally open from around 9:30 AM to 5:00 PM and closed on Fridays and some public holidays; allow roughly ₹15–50 per person for Indian visitors, with photography rules varying by gallery. From Egmore, a cab or auto to T. Nagar takes approximately 20–30 minutes, depending on traffic.
Stop at Murugan Idli Shop in T. Nagar for a quick, affordable lunch—soft idlis, podi, vada, dosa, pongal, and strong filter coffee are ideal after the morning’s travel. Four people should expect roughly ₹800–1,600 altogether, and service is usually fairly quick. Then walk or take a short auto ride to Pondy Bazaar, allowing about two hours for browsing clothing, sandals, jewellery, bags, and inexpensive souvenirs. It is lively rather than leisurely, so keep wallets and phones secure in the crowd and agree on a meeting point. The shopping streets make good group photographs, while the couple can pause together at one of the small cafés; bargain politely at independent shops, but expect fixed prices in branded stores.
Take a cab from T. Nagar to Semmozhi Poonga in Teynampet—usually 10–15 minutes—and spend an hour walking among the landscaped gardens. This is the best breather before the evening, though check the day’s opening status and carry water; the garden is usually closed on Tuesdays and may have schedule changes. Continue by cab for roughly 10–15 minutes to Express Avenue Mall in Royapettah. The air-conditioning, cafés, shops, cinema, and indoor entertainment make it a practical final stop, especially if August weather is humid or rainy. Have dinner there or nearby—budget approximately ₹1,600–3,200 for four—and use the mall’s bright interiors for easy group and couple photographs. Leave by about 9:00–9:30 PM: a cab to Chennai Central or Chennai Egmore can take 30–60 minutes in evening traffic, so confirm the exact station before booking.
For an overnight reserved sleeper or AC train, reach Chennai Central or Chennai Egmore at least 45–60 minutes before departure. Book early through IRCTC and verify the station carefully, since the two stations are separate; from Royapettah, Chennai Central is commonly the more convenient choice, but follow the station shown on your ticket. Keep dinner snacks, water, chargers, and identification accessible for the overnight journey, which should bring you to Khammam the following morning.