After an eight-hour debate, the Lok Sabha passed four Goods and Services Tax-related bills; Finance Minister Arun Jaitley and P Chidambaram had a heated exchange in parliament over Aadhaar, the biometric identification system that the opposition alleges is not fool-proof in protection of data privacy; The Indian currency has hit its strongest level against the dollar in nearly 18 months amid strong foreign inflows into the country; The Supreme Court has directed the Indian automobile industry to stop the sale and registration of any Bharat Stage III vehicle from April 1 2017; Uttar Pradesh Chief Minister Yogi Adityanath said Surya Namaskar positions are very similar to Namaz, making a case about delinking Yoga from religion.