500 g Bilimbi (Irumban puli)Ginger (A small piece)7 cloves Garlic1/2 tsp Fenugreek powder (Uluva)2 tbsp Chilly powder1/2 tsp Turmeric powder1/2 cup Vinegar1 tsp Sugar1/4 tsp Mustard seedsSesame/gingely oil (As reqd, Nallenna)Salt (As reqd) For preparing irumban puli achar, first wash the puli well and dry with a cloth. Cut into small pieces.Mix some salt with the irumban puli pieces and dry in the hot sun for 2 days.Grind ginger, garlic, fenugreek powder and mustard seeds with little vinegar to a smooth paste.Heat nallenna in a pan and saute the ginger mixture. Add chilly powder, turmeric powder, remaining vinegar and stir in low flame.Stir in irumban puli pieces, sugar and required salt. Mix well in low flame for a few seconds and remove from fire.Irumban puli achar, a traditional favorite with keralites, is ready. Kerala