Kalasha are the last remaining pagan tribe numbering 4000 people[citation needed] speaking the ancient Indo-Aryan language Kalasha-mondr.
[1] Tach is one of the first literates among Kalasha People to have received a BA in Political science and Law at Edwardes College Peshawar Pakistan, a 2nd BA in English Literature and Linguistics at Aristotle University of Thessaloniki and MA Human Rights from Central European University Budapest, Hungary.
Tach has been a spokesman for Kalasha with his exceptional linguistic skills speaking four Asiatic and three European languages besides his mother tongue.
Working in close collaboration with various international researchers and linguists Taj organized first Kalasha Orthography Conference 2000[3] in Islamabad, Pakistan.
In 2004 he was able to raise funds to publish first alphabet book of Kalasha language based on Roman script designed by an Australian linguist Gregory R. Cooper.