Flipkart — Items delivery delaying day by day

I have ordered 15 groceries on 25.09.2021.Proposed delivery date was 27.09.2021.But on that very date they only deliver 05 items out of 15, saying rest will be delivered on 30.09.2021.But from then they delaying my delivery day by day. Today is 10.10.2021 and still no confirmation of delivery. A lot of calls have been attended by different customer service agents in different times but they only repeating the words "your problem will be resolved soon" and taking a time of next 48 hrs. for resolution at each time they talked. they are extending times for last 15 days without a resolution. I cant wait more as those are daily need products.my details are given below:
email id: mr.[protected]@yahoo.co.in
contact to flipkart :+91 [protected]
orde id : OD[protected]