नकली नोट नहीं बना पाएंगे जालसाज! वैज्ञानिकों ने बनाई अनोखी स्‍याही

Indian researchers have developed an unique ink with the help of bright nano material, ie ink with advanced security features. It can be helpful in preventing ink currency, documents, branded items and drugs. The Nano Institute of Science and Technology (INST) has discovered this. It can be used on various things copy-proof. These include currency, documents, medicines and branded products.