Berger Paints — Water proofing does not work as guaranteed

The painting was done from Nov 9th 2020 with the guarantee that the water seapage would be stopped .
There was water leakage in 15days which was also informed over by call to Uday who was the CE.There after no call was picked and was completely ignored.
The details are as below:
LeadId:LD[protected]
CE:UDAY KUMAR GV
Estimate Number:[protected]/11/2020
Adress:No.20 Ayodhya PF bemhind Maruthi Mandir Vijayanagar Bangalore-560040.
Request repair of water seapage which was earlier not done properly.

As customer we opted for berger considering this probelem would be fixed but it is disaapointing to see it does not work.