Bank shares were trading with losses in Tuesday's session.Shares of Federal Bank (down 5.57%), Kotak Mahinda Bank (down 4.14%), RBL Bank (down 3.97%), HDFC Bank (down 3.82%), Bandhan Bank (down 3.36%), ICICI Bank (down 3.34%), Punjab National Bank (down 2.6%), Bank of Baroda (down 2.56%), State Bank of India (down 2.24%), IDFC Bank (down 2.21%), Axis Bank (down 2.13%), and IndusInd Bank (down 0.51%) were the top losers in the index.The Nifty Bank index was trading 3.25% down at 18335.2 around 11:58AM.Benchmark NSE Nifty50 index was down 187.05 points at 9052.15, while the BSE Sensex was down 687.7 points at 30873.52.Among the 50 stocks in the Nifty index, 14 were trading in the green, while 36 were in the red.Shares of Vodafone Idea, Vedanta, Tata Motors, ICICI Bank, SBI, BHEL, RBL Bank Ltd, Motherson sumi, RIL and Axis Bank were among the most traded shares on the NSE.