Complex sentence: As of 2013 Pune has 3 buildings above which can be termed as a skyscraper and 20 High rise buildings, but this number is likely to be increased due to there are 15 Skyscraper under construction and 123 Hire rise to be added in the upcoming years.
Split into simpler sentences: As of 2013 Pune has 3 buildings above which can be considered skyscrapers and 20 high-rise buildings. This number is likely to increase as there are 15 skyscrapers under construction and 123 high-rises to be added in the upcoming years.