The right to information movement in India began with the Mazdoor Kisan Shakti Sangathan (MKSS) movement to bring in transparency in village accounts through the demand for minimum wages in rural India.  

False entries in wage rolls were a sign of increasing corruption in the system, which encouraged MKSS to demand official information recorded in government files. 

Source: http://www.legalservicesindia.com/article/444/Right-To-Information.html