Condition fixed for text between two dates

Sir,

if end date are covered form 02.03.2015 to 05.03.2015 the value return is Meeting01. In-case Start date(05.03.2015) end date are covered next meeting from

Meeting02 to Meeting05 the value return is 0.Start Date(A) End date(B) date are covered next month the value return is "Data Not Available form the table".

if end end date are back date value return is "Check Entry".(Start Date 31.03.2015 but End Date is 28/03/2015).

please help me.file attached.