<ul>
<li>In a bowl, combine the yogurt, lemon juice, ginger paste, garlic paste, garam masala, red chili powder, turmeric powder, ground cumin, ground coriander, and salt. Mix well.</li>
<li>&nbsp;Add the fish cubes to the marinade, ensuring each piece is well coated. Cover and refrigerate for at least 30 minutes, preferably 2-3 hours for the best flavor.</li>
<li>Preheat the grill or oven to 200&deg;C (400&deg;F). If using an oven, line a baking tray with foil and lightly grease it.</li>
<li>Thread the marinated fish onto skewers.</li>
<li>Grill or bake the skewers for 10-12 minutes, turning them halfway through for even cooking. The fish should be slightly charred on the edges and cooked through.</li>
<li>Garnish with fresh coriander and serve with lemon wedges and mint chutney.</li>
</ul>