Crush coarsely mustard seeds, fenugreek seeds,yellow mustard seeds

In a pan heat mustard oil 3 tbsp

Once it changes the colour switch off the flame

Add the crushed seeds

Let them splattered for a while then add hing,turmeric,salt,red chilli powder and sugar(if adding) then add sliced raw mango and green chillies

Mix properly and let them be in kadhai till it cools down

Transfer it to jar and store in refrigerator and consume within month as this is an instant pickle