Thanks for the reply. But, I submitted the application on 20th Sep, 2019. So counting will start from Sept-2009 and not from July,2009. Then it will be like:
Sept-2009 to July-2011 - 1 year, 10 months approx
Aug-2012 to Aug-2014 - 2 years.
Total : 3 years 10 months approx.
Am i understanding it...