Flipkart ecommerce - Package delivered as fault but no resolve provided till now(13 sep 2019)

I made a replacement request yet they didn't solve the problem but they are just making it put off. Today's date is **th September **** but the technician visit they arranged for replacement is *th of September and replacement process completion is **th of September. Till now no technician has arrived to check my product
Product: msi ps** prestige laptop modern *-MO.
Problem: severe earth shock occurrence while charging and using.
Order id: OD******************.
Replacement expected: *th September ****.
Complaint date for replacement: **th Aug ****.
Product delivered date: ** Aug ****.
Ordered date: ** Aug ****.
Technician visit date for replacement: *th September ****(actual arrange).
Total no. Of calls: around * to ** times till now from date ** Aug.
Payment mode: EMI