Todays FM announcement for comopanies incorporating post 1 Oct 2019

1. Yes as explained by experts above, it is applicable only for manufacturing company incorporated after 1st of October 2019 without any other conditions attached. 
2. The above companies have an option to pay corporate tax on their profit for the FY 2019-20 @ 15%. 
3. However, they have mentioned it as 17.01% as an effective tax rate including surcharge and education cess. Yet to have a clear picture of how they have arrived @ 17.01% as an effective tax rate. 
Please correct me if the above solution has an alternative view.