The English Mastiff Puppy is a giant-sized dog, typically living 8–10 years.
Where people go wrong
Choosing on appearance and fitting the household around it afterwards. It works better the other way: decide the hours and the space you have, then ask whether a giant dog fits them.
A breed from United Kingdom, living in India
The English Mastiff Puppy was developed in United Kingdom. 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.
Households this suits
Homes where someone is around for part of the day suit the English Mastiff Puppy well. A quieter household usually suits this breed better than a busy one.
Does your week fit this breed?
The honest test is not whether you want a dog, but who is responsible for it at seven in the morning on a weekday. A sociable giant dog does not fill eleven empty hours quietly.
Space, and what actually matters
Floor area matters less than layout. A giant dog needs a settled spot out of the main walkway, and surfaces that give grip.
Planning for about 9 years
A English Mastiff Puppy is with you for about 9 years. Budget and routine both need to survive that, including the last quarter of it when a giant dog needs more veterinary attention than it did young.