DTDC Courier & Cargo — My item is not being delivered by booking agency

Address:

Varanasi, Uttar Pradesh

I had book my consignment ( U[protected] from varanasi to Faridabad, but return back to varanasi apex from airport ( it contain an electronic item) which i had already told to courier agent but they booked under household. And asking me a money of ₹5, 000/- and refuse to give my product back.