In a small bowl, combine the garam masala with the amchur powder.
In a large, deep skillet, heat 1 inch of vegetable oil to 350°. Working in batches, fry the okra strips, stirring a few times, until golden and crisp, about 4 minutes per batch. Using a slotted spoon, transfer the fried okra to a large paper towel–lined plate to drain. Sprinkle with some of the spice mixture and salt.
In a large bowl, gently toss the fried okra with the red onion, tomato, cilantro and lemon juice. Season the salad with more of the spice mixture and salt and serve immediately.
