Can you tell me the full story of how Kashiram fought off those robbers and how Sai Baba protected him from afar?

Certainly. According to Chapter 0, Kashiram, a cloth seller, was attacked by Bhil robbers while returning from a market. The thieves initially took some of his belongings but then tried to snatch a small bundle he was carrying. This bundle, containing powdered sugar for feeding ants, was very dear to him. He fought back, killing two thieves with a dropped sword before being struck unconscious by an axe. As Chapter 0 explains, at that exact moment in Shirdi, Maharaj became extremely agitated, shouting and swearing. The devotees present understood this was his way of protecting a devotee in grave danger. It was by Maharaj's grace alone that Kashiram survived the encounter, as the thieves, believing him dead, left him.