Baigan ka achar / brinjal pickle/ pickled eggplant

Ingredients

• 2 medium sized eggplant
• 1 1/2 tablespoon crushed yellow mustard seeds (this can be obtained at any Indian store or black mustard seeds can be coarsely powdered)
• 1 1/2 tablespoon kalonji or onion seeds
• 1/4 teaspoon methi or fenugreek seeds
• 1 teaspoon saunf or fennel seeds
• 2 tablespoon vinegar
• 1 teaspoon sugar
• 2 teaspoon salt or as per taste
• 1 teaspoon turmeric powder
• 1/2 teaspoon tamarind concentrate
• 2 teaspoon red chili powder roasted for 1-2 minutes (use more if you want it spicy)
• 15 tablespoon oil (preferably mustard oil)