1. Take a cooker pan heat Oil put zeera, cumin seeds, bengal gram, and let them pop.
2. Put now garlic, onion, green chillies and fry them till onion becomes translucent.
3. Now add the Sweet potato pieces, and cucumber pieces to the above mixture.
4. Put some salt, turmeric, coriander powder and fry for a minute.
5.Add one cup of water and close the lid of cooker pan, leave it for one whistle. Make sure you switch off stove for one whistle, else the sweet potato may smash.
6. Off the stove till it cools and releases the pressure.
7. Now open the cooker lid add red chilli powder and fry for a minute till the rest of water gets evaporated.
8. And you are done. Dishout the curry and garnish it with Tadka and coriander.
Very yummy in taste. Can be taken in both Chapatis and Ghee,Rice. Its awesome when served hot.
Note people whole love sweet curries will really enjoy this.Happy cooking and let me know the taste if you have tried this..!!