DTDC Courier & Cargo — delivery issue

Address:

B43 Sector 80 Noida Phase 2, Gautam Buddh Nagar, Uttar Pradesh, 201305

On 15 march 2019 we send a parcel from to our Customer in New Delhi Vasant Kunji, Pin code - 110070 but till date packet had not delivered. i am complaining in DTDC office, and Mr Arvind pick my call but his behavior is very bad and talking nonsense way. we want dtdc take action . but response is very bad, and my customer compiling in my admin and our bushiness affected .

Hoping a positive response, , thank you so much