Exchange rate for tds on nri

Mahender Jain (Accountant) (101 Points)

03 February 2016  
We received service invoice from NRI on date 31.01.2016 for Prof service rendered by NRI from Apr'15-Sep'15 So Which date Exchange rate should be taken for TDS i.e. Exchange rate on dt 30.09.2015 or 31.01.2016