Lord Vishnu is one of the three trinity of this world. he maintains the world as people of Hindu realign says. Lord Vishnu appears in many incarnation on the earth to solve the difficulties of him devotees like – God Shree Ram and lord Krishna etc.
Vaishnav people serve him as a superior of them. Badrinath is the temple of lord Vishnu which is one of the holy places of char dham. People worship lord Vishnu to remove each and any kind of difficulties in their life, and they can get blessings by doing this. Aarti of lord Vishnu is describe the whole personality and incarnation of god.