Tds claim - doubt

Maya (Student) (663 Points)

16 September 2020  
Dear frds/ experts,

3years back a client of one of our customer (Pvt Ltd co) failed to completely file their deducted TDs returns.... all the refund process of IT are over...but now they filed that unclaimed TDs refund amt in that f.y.17-18....Now how can we suggest them to claim that unclaimed TDs....pls advice me...
thanks in adv...

-Maya