Hi All , Disclaimer : I might be holding same position , so my views may be biased , Self Interest involved
Following is strategy :
Buy 180 call @ 6.9 , 1 lot Sell 190 call @ 3.8 , 1 lot
Target , stop loss mentioned on chart . GST council meet tomorrow or day after , High chance cement GST might be reduce (Highly speculative , Not sure )
Disclaimer : options are risky , Risk of financial loss , Consult your financial adviser before investing.