Boat — Misplacement of earphones

My earphones have been picked up by bluedart on 20th may with way bill number [protected]. And has been reached to its destination but boat is not showing any kind o[censored]pdate they are asking for ackowledgement slip i have not got any kind of slip but i have a proof that my item has been delivered i even talked to boat executive but they are not helping me bliedart executive even told me to solve my problem but nothing has happened. I will file a complaint in consumer court i dont have any option left