It's called India…
It took 12 years to get to India, and things were not good. His army was tired and wanted to return home. They had been on the road for 12 years fighting.
The campaign in India was brutal and they won battles by sheer luck. All information they gathered was bigger kingdoms were ahead of them and the terrain was not what they were use to. The climate and all that as things became unfamiliar. They convinced Alexander to return home so they can rest and enjoy what was left of life.
He would not make it to his home…