Cognizant — I didn't receive offer letter

Address: 560086

I had attended interview on 24th nov 2018, and had cleared 2technical rounds and one hr round hr had discussed everything and told we will proceed with it and after one month i got mail saying your your interview status is on hold for acquisition team and i after that i dint get any information on that or any update on that don’t know whom to contact

Please resolve thais asap
Mail:[protected]@gmail.com
Phno:[protected]

Interviewdate : 24th nov 2018
Location: manyatha tech park, banglore
Interview poc :anil