It was all due Mahabali Who ruled World once upon a time ... Indran made Vishnu to incarnate as vamana and Push Mahabali to patahala. Because he was jealous of Mahabalies popularity as good king and People leiving happily.There .Before Mhabalis Patala yatra ..He asked One wish to visit his people in every year .That come as Onam.
Staisfied Vishnu comes back But Devandra was still doubtful
Indira :What if Another Kings Comes up like Mahabali again people will be united and stay happily Vishnu :OK I will make people split into different languages so that they cant communicate with each other Cant be united Vishu stared doing that again Indira Blocked him
Indira: What if some other language comes up which is far better than the regional languages and they get united through that language.
Vishnu: Hmmm Ok I will split them is different Creeds and colors and caste so that they cant even stay at same palace and they keep fighting ..And vishnu stared doing that
Indria :But what if they educated enough and think beyond color and creed They again may get United..Again you may have to comedown to the Mithuloka (Earth)for saving our nose.
Vishnu got confused and then thought for a while ..Determined he said I will here by make a religion Which will do exactly opposite to what others do .IF we pray With timings of the SUN they will prey by Moon timings.If we write from left to right they would write from right to left ..If we want peace in this world and the want