Merging Multiple rows into single row

Hello All,

I have a situation where I need to Insert 2 rows(little info from second row) into single row.

Data looks like this:

Date                 Service      CurrMonth  CURR_COUNTS

2016-03-01      Internet     March                    10

2016-04-01      Internet      April                      10

I need a result set in this way: have to show the latest month date and put the Curr month as prev month in single row with corresponding counts.

DATE                  Service                 Current Month     PrevMonth    CURR_M_COUNTS       PREV_M _COUNTS

2016-04-01       Internet                April                     March                       10                              10

Please help.

Thanks

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