The ‘survey’ of the income tax department at BBC office premises concluded on Thursday after over 58 hours. I-T officials left the Mumbai and the Delhi offices after the marathon survey which drew crticism. During the three-day survey, the officials prepared an inventory of financial data from some staff and collected paper and digital data. The survey came soon after it aired a documentary on Gujarat riots India: The Modi Question, which criticised the role of Narendra Modi, then chief minister of Gujarat. The ‘survey’ has triggered a major political row with all political parties condemning it and calling it the government’s attempt to silence media.