Wash the rhubarb stems. Cut them into big pieces. Remove the fibrous part.
Chop them finely in a food processor.
In a pan, add these chopped pieces with sugar. Cook on medium heat-Mix from time to time.
While the rhubarb is cooking, toast fennel seeds, cumin seeds and black peppercorns on medium heat till you get a nice aroma.
Crush using a mortar and pestle.
When the rhubarb and sugar mix starts thickening, add ginger. Mix
Turn off the heat. Add the crushed mixture, salt and red chilli powder.
Mix. Remove from heat and let it cool.
Once cooled, transfer it to a clean, dry jar.