Test-prep platform Testbook, which helps students from tier II cities and beyond prepare for government jobs, has raised Rs 60 crore in fresh funding led by Iron Pillar, as it looks to offer courses for state-level government services exams over the next two years. Existing investors Matrix Partners India, Better Capital, AngelList and President of Reliance Jio, Vikas Choudhury, also participated in the Series B round.