Narendra Modi signals use of Aadhaar to track benami properties Implicitly, PM Naredra Modi suggested that the govt may not just insist on linking Aadhaar with the registration of new properties but that even existing properties will have to be re-registered Prime Minister Narendra Modi on Thursday warned tax evaders that the government will broaden the scope of Aadhaar, the 12-digit unique identification number, to crack down on benami properties. “Aadhaar will now be used against benami properties and this will become a big weapon for the government,” Modi said at the 15th HT Leadership Summit. Implicitly, the prime minister suggested that the government may not just insist on linking Aadhaar with the registration of new properties but that even existing properties will have to be re-registered. If implemented, it can be a potentially disruptive move. Benami properties are assets held in the name of another person or under a fictitious name to avoid taxation and conceal u