Answer:
(Fatwa: 1693/1325/B=1431)
You will have to offer full salah in your native place (Bihar) though you intend to stay there for less than fifteen days. Once you return to Delhi if you intend to stay there for less than fifteen days then you will do Qasr.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
