questions: asking about soil testing. 
 answers: told him to visit district agriculture office.
contact details:-  office of the district agriculture  officer, sonitpur, tezpur.

address:-              district agriculture officer, sonitpur, tezpur
                               p.o- tezpur, pin- 784001, assam
phone number:-    03712233969

e-mail id:-              daotez@gmail.com.