This recipe is synonymous with almost all palakkad iyers and is used in diverse ways."puli" means tamarind and "kachal" means cooking by boiling method. So this essentially means a thick tamarind sauce which has been seasoned and thickened by boiling into a thick sauce or chutney consistency which is used as an accompaniment, chutney or simply mixed with plain boiled rice and had. The method is easy and fast and its a thing to fall in love with! in the winter months in india abundant fruits, vegetables and tubers are sold in the markets. Fresh ginger, turmeric, galangal and mango ginger flood the markets and can be bought at their very freshest!the palakkad iyers made use of this and concocted this wonderful sauce which they grew tremendously fond of. It is an adaptation of the kerala accompaniment-puli inji except that it has green chillies added to give and extra "kick"!.