First: Immigration Reform Bill that was passed by US Senate is stalled in US House. It has been announced that any immigration related issues will taken over after summer recess.
Please check this update from Murthy.Com -- http://www.murthy.com/2013/07/22/comprehensive-immigration-reform-july-2013-update/
Second: See how the cut-off dates has been for EB2 India and Eb3 India, starting from Oct 2009 Visa Bulletin (X-Axis: Cut-off dates and Y-Axis: Visa Bulletin Date) :
Source of the data is from -- http://travel.state.gov/visa/bulletin/bulletin_1360.html
Third: See how many visas has been issued on F1 and H1B categories and compare it against the 140,000 employment based green card available (X-Axis: Year and Y-Axis: Count of number of visas issued):
Source of the data is from -- http://travel.state.gov/visa/statistics/statistics_1476.html