@gautamdeo
I added an additional paragraph to my answer above to be sure you are looking for the 2016 return in the correct manner once you are logged in. This is what I added:
If you did indeed use Online TurboTax for the 2016 return, when you log in, at the Tax Home scroll down to a section called "Your Tax Returns & Documents". Expand that section and see if tax year 2016 is listed. If so, click 2016 then choose "download/print the PDF." If there is no evidence of a 2016 return in that section "Your Tax Returns & Documents," then it sounds like you may not be in the right account. If that's the case, then see my detailed answer above.
