1. Since ancient time the people of Gujarat have remain traders.
2. They used to travel far off places for trading.
3. As a result they keep homemade dry snacks with them that cannot perish for long time.
4. Thepla, Chavana, ganthia, dry kachori, khakhra, sukhdi, sev-mamra, etc. are a few such snacks that they savour at home or even while they travel.