India, June 27 -- Amid the row over the passport-citizenship issue, senior Congress leader Shashi Tharoor on Friday said the Government should amend the legal framework to make both the passport and the Aadhaar card valid and conclusive proofs of Indian citizenship unless they are explicitly cancelled or withdrawn by the State. He said implementing this requires solving a critical administrative hurdle because Aadhaar is currently issued based on 182 days of local residence rather than nationality, and it is held by citizens and non-citizen residents alike. "The solution is straightforward. The Unique Identification Authority of India (UIDAI) should introduce a visually distinct Aadhaar card (featuring, say, a visible diagonal red stripe ...