THE joint platform of Central Trade Unions and Federations has urged prime minister, Narendra Modi to cement a proactive unity of all people and to meet the challenge posed by the calamity of the second wave of COVID-19.In a letter to the PM on April 28th, the CTUs have said that it is necessary for all sections to feel that the government is taking care of them, especially the toiling masses, who are forced to leave their homes in search of livelihoods.