What a Kanni should eat changes across its life more than most owners expect. Portion size, not brand, is where most first-year problems start.
Bloat: the one to take seriously
Deep-chested large breeds risk gastric torsion. Two smaller meals rather than one large one, no hard exercise for an hour either side, and learn the signs - a swollen abdomen with unproductive retching is an emergency.
Planning for about 13 years
A Kanni is with you for about 13 years. Budget and routine both need to survive that, including the last quarter of it when a large dog needs more veterinary attention than it did young.
The puppy months
A growing large dog needs food formulated for its adult size. Two meals a day - never one large one, which raises bloat risk. Large-breed formulas exist to control growth rate, which protects developing joints - faster growth is not better growth.
Storage in an Indian climate
Humidity spoils dry food faster than the printed date suggests. Smaller quantities through the monsoon, sealed, and look at it before it goes in the bowl.
Changing food
Phase any change over a week. An abrupt switch upsets the gut and tells you nothing about whether the new food suits a large dog.
A breed from India (Tamil Nadu), living in India
The Kanni was developed in India (Tamil Nadu). The part that travels badly is rarely temperament - it is the coat and the tolerance for heat. Plan the year around that and most of the rest follows.
Balancing loyal against shy
Breeds described as both loyal and shy need the two managed together rather than separately. With a large dog that usually means a predictable routine first and training second - the routine is what makes the training stick.