i treated my extended party to dinner at marble arch. we were seated in the garden with a beautiful view of the lake.
what i liked:
1. i had requested for a wheelchair for one of my grandparents in advance and the staff obliged.
2. i also had two guests with a gluten & dairy allergy so the manager was extra careful about their food - the chef himself came out to tell us what gluten/dairy-free food options were available.
3. we ordered veg kebab platter, kadhai paneer, navratan subz, bread baskets and kulfi. the food was exquisite *chef's kiss*.
4. the service staff, although a little slow, was very polite.
what can improve:
1. our fresh lime sodas and desserts took a loooooooong time to arrive (which was a little embarrassing for me in front of my family). we had ordered some onion kulchas at the very beginning which arrived so late that everyone had almost finished eating.
2. the service staff needed a little more training. i asked them twice to bring me physical food menus so that some of my non tech-savvy family members would find it easy to order. they just nodded yes and continued to set/clear the plates (completely ignoring my request *shrug*).
3. the lighting was so dim that we almost couldn't see what we were eating.
4. after dinner, i spoke to the manager and complimented their food and service, but i also mentioned the last three points - the manager seemed to have excuses for everything (for example, we put fresh lemons in fresh lime soda, we had to defrost the kulfi, these things take time, etc.)
5. this restaurant is listed under the zomato pro category, but the manager told me they don't accept payments through zomato pro.
tl;dr: great food, polite service staff, service can be quicker.