Mirchi Vada Pav is the Rajasthani move of taking a mirchi bada, the batter-fried, potato-stuffed large green chili, and serving it inside a pav. This is the sandwich form of that snack, and it earns a separate entry from the fritter because the bread changes the whole thing: it makes it portable, it soaks up oil and chutney, and it turns a side-plate item into a handheld meal. It works when the fried chili is still crisp and hot at the moment it meets the soft roll.
The build is the mirchi bada plus assembly. A large mild green chili is slit, stuffed with spiced potato, coated in besan batter, and deep-fried until the shell is golden and the chili has softened. A soft pav roll is split, often spread with chutney, and the hot fried chili is set inside, sometimes pressed lightly so the roll takes its shape. A good one has the contrast intact: a crisp battered chili against the pillowy bread, the potato fill well seasoned, the pav fresh and soft rather than stale. Chutney does real work here, a dry garlic one for pungency or a green one for brightness, lifting what would otherwise be a one-note starch-on-starch bite. The failures are mostly timing and bread: a bada assembled into the roll while limp or reheated, so the batter goes soft and the whole thing turns soggy; a dry or stale pav that fights the filling; too little chutney so it eats flat; or a chili so loaded with oil that the bread saturates and collapses. The discipline is to fry to order and build immediately.
How it shifts tracks the fritter inside it. The heat ranges with the chili variety and how aggressively it is deseeded, so one stall's version is gentle and another's is fierce. Chutney choice swings it from garlicky and dry to fresh and tangy, and some builds add raw onion or a fried chili alongside. It sits in the same handheld-pav world as the potato-dumpling vada pav, which is a different filling and deserves its own article rather than being crowded in here. On its own terms, Mirchi Vada Pav is defined by a battered stuffed chili as the filling, a soft fresh pav, and chutney that has to cut the starch, all assembled while the fry is still crisp.