दिए थे

(marks a completed past action), had given

→ देना
phrase Rare #9,231
(marks a completed past action) Used after a verb to say that an action had been completed. The form दिए agrees with a masculine plural object or with a masculine plural subject in some constructions.
HI: मैंने सारे बिल चुका दिए थे।
EN: I had paid all the bills.

वर्ल्ड वॉर वन में, मैंने भारतीय सैनिकों के सभी कोटा भर दिए थे।

In World War I, I had filled all the quotas for Indian soldiers.

— Sardar Udham (2021)

हाँ, सर, आदमी तो लगा दिए थे।

Yes, sir, we had assigned some men.

— Black Friday (2004)

काँच सारा उठा तो दिए थे।

I did pick up all the glass, though.

— Raat Akeli Hai (2020)

phrase Rare #10,708
had given Used with a masculine plural object; in past-tense sentences with ने, the verb agrees with the object.
HI: मैंने उसे पैसे दिए थे।
EN: I had given him money.

मैंने सुएलन डेज़िसडॉटर को पैसे दिए थे।

I had given Suelen Daisdottir the money.

आलोक को दिए थे हम।

We had given them to Alok.

— Pagglait (2021)

सही जवाब दिए थे।

You answered correctly.

— Ajeeb Daastaans (2021)