and the continued denial of any official sanction or recognition of the Punjabi language amounts to a process of "Urdu-isation" that is detrimental to the health of the Punjabi language In August 2015, the Pakistan Academy of Letters, International Writer's Council (IWC) and World Punjabi Congress (WPC) organised the Khawaja Farid Conference and demanded that a Punjabi-language university should be established in Lahore and that Punjabi language should be declared as the medium of instruction at the primary level. In September 2015, a case was filed in Supreme Court of Pakistan against Government of Punjab, Pakistan as it did not take any step to implement the Punjabi language in the province. Additionally, several thousand Punjabis gather in Lahore every year on International Mother Language Day. Thinktanks, political organisations, cultural projects, and individuals also demand authorities at the national and provincial level to promote the use of the language in the public and official spheres. In India At the federal level, Punjabi has official status via the Eighth Schedule to the Indian Constitution, earned after the Punjabi Suba movement of the 1950s. At the state level, Punjabi is the sole official language of the state of Punjab, while it has secondary official status in the states of Haryana and Delhi. In 2012, it was also made additional official language of West Bengal in areas where the population exceeds 10% of a particular block, sub-division or district. Both union and state laws specify the use of Punjabi in the field of education. The state of Punjab uses the Three Language Formula, and Punjabi is required to be either the medium of instruction, or one of the three languages learnt in all schools in Punjab. Punjabi is also a compulsory language in Haryana, and other states with a significant Punjabi speaking minority are required to offer Punjabi medium education. There are vibrant Punjabi language movie and news industries in India, however Punjabi serials have had a much smaller presence within the last few decades in television due to market forces. Despite Punjabi having far greater official recognition in India, where the Punjabi language is officially admitted in all necessary social functions, while in Pakistan it is used only in a few radio and TV programs, attitudes of the English-educated elite towards the language are ambivalent as they are in neighbouring Pakistan. There are also claims of state apathy towards the language in non-Punjabi