First of all as we know that rottweiler is a very energetic dog breed.
No.1 Dog Food Company for Dogs in all over the world is Taste of Wild but it is very rarely available in India because it is too costly.
I think the next premium brand is Royal Canin or Hills every vet recommended it.
Try - Royal Canin Rottweiler Adult
Helps support this athletic dog’s cardiac functions thanks to beneficial nutrients EPA & DHA, and taurine to encourage good heart contraction, L-Carnitine for the cells’ energy supply, and Vitamins E & C to help maintain vitality.Kibble exclusively adapted to the Rottweiler’s jaw, to encourage him to chew.
Hills Science Plan Adult Lamb & Rice
http://www.dogspot.in/hills-sc ience-plan-adult-lamb-rice-75- kg/
Hill’s a world leader in pet food and have lately entered the Indian market with a variety of pet food. Experience the best in class products for your beloved furry friends with Hill’s science plan.
The food is designed with greatest quality protein that ensures lean and strong muscles for your pooch. The ingredients help in the overall growth of your dog and also ensure healthy digestion. The perfect balance of omega – 3 and omega – 6 fatty acids ensure healthy skin and a shiny coat. Give your beloved the all new Hill’s science plan adult lamb and rice for their healthy vital organs. Taste combined with health.