Preparing batter:

1. Prepare a thick but flowing batter out of gram flour, red chili powder, salt, and water.

Preparing Batata Vada:

1. Grind together garlic cloves, green chilies, and ginger.
2. In a pan, heat oil and add mustard seeds and curry leaves.
3. Add the ground mixture and cook for about 30 seconds.
4. Add crumbled boiled potatoes. Mix well. Turn off flame.
5. Add salt, coriander leaves, and turmeric powder. Mix well.
6. Cool to room temperature and make balls out of it.
7. Dip each ball in this batter and deep fry.

Preparing Green Chutney:

1. Grind together coriander leaves, mint leaves, garlic, lemon juice, little water, and green chilies together. Keep aside.

Preparing Dry Garlic Chutney:

1. Drop few drops of the batter in hot oil. Fry and remove.
2. Prepare about 1/4 cup of this fritter.
3. Grind with garlic, salt and red chilli powder. Keep aside.

Assembling a Vada Pav:

1. Slit the Vada Pav without breaking into two.
2. Heat the sliced sides.
3. Spread green chutney on the sliced side.
4. Sprinkle garlic chutney and place the Batata Vada and fried green chili, sandwiched between both slices of the pav.
5. Serve hot.