is a medicated alkaline thread prepared by smearing the latex of Euphorbia nerifolia (Thuar), Kshara (Hygroscopic Powder) of Achyranthus aspera (Apamarga) and Dry Powder of Curcuma longa (Haridra) for 21 times which is dried in sunlight or special Ksharasutra cabinet which is fitted with UV light for proper sterilization. In 1964 when Dr. P.J. Deshpande of Banaras Hindu University started the research works on role of Ksharasutra in fistula-in-ano. He worked for more than twenty years on Ksharasutra and Fistula in Ano and standardized it. His research work on Ksharasutra and Anal fistula has changed the pattern of treatment of Ano-rectal surgical diseases in world. I also have my own Ksharasutra manufacturing cabinet in Indore, MP, India.