Why is india losing all the matches in the test series against australlia?

At present there is a test series going on which is between india and australlia. In this match why is india losing? what is the main reason for it? Why are the australllian players scoring so easily? Do you think has our indian team become weak? Is the australlian players working hard for the match or the indian players?

What is the main and actual reason for the indian team to lose the innings with the australlian team? Whom do you think an individual player from whom the indian team is losing the match against australlia