Rajasthani Ker Sangri Achaar Is a Very Unique and Popular Pickle from Rajasthani and Marwadi Cuisine. This Ker Sangri Pickle is free from artificial preservatives and is traditionally made by the rural women of Rajasthan. Ker, Sangri pieces which are handpicked, sun-dried and then pickled to perfection. Ker (berry) and Sangri (desert beans) is rich in potassium, magnesium, calcium, zinc, and iron. It is also a rich source of protein, dietary fibre, and saponins, which help boost the immune system and also keep cholesterol under control.