Nawaz Sharif wrote a letter to his brother Shehbaz Sharif from Kot Lakhpatt Jail. However, that letter was exposed and circulating on different social media platforms.
In the letter, Nawaz Sharif instructed his younger brother to support the Azadi March of Molana Fazl ur Rehman. To make the Shehbaz Sharif understand, Nawaz Sharif wrote in the latter, at this time, put every interest aside and restore the lost self-respect. In other words, Nawaz Sharif tried to instigate his brother to support the Azadi march.
Nawaz Sharif further instructed to his brother that he should organize a protest and by an announcement on behalf of Nawaz Sharif.