Dry Roast Spices: In a frying pan, add fenugreek seeds and mustard seeds, and dry roast until fragrant.
Add More Spices: Add fennel seeds and carom seeds, dry roast for a minute, and let it cool.
Grind Spices: In a spice mixer, add roasted spices and grind coarsely, then set aside.
Prepare Garlic: Peel and wash garlic properly.
Cook Garlic Mixture: In a frying pan, add garlic, vinegar, and water, mix well, and cook on high flame until it dries up, then let it cool.
Mix Ingredients: In a bowl, add garlic and pink salt, and mix well.
Add Spices: Add asafoetida powder, red chilli powder, crushed red chilli, turmeric powder, Kashmiri red chilli powder, nigella seeds, ground spices, and mix well.
Final Mixture: Add olive oil and mix well (yields 475g).
Store Achar: In a dry and clean jar, add garlic achar, cover tightly, and keep in sunlight for 2 days.