Urgent: Need advice on how to proceed in rental dispute with Colive in Bangalore

I moved into Colive Marysville (Bangalore) last year on 12-03-2023 with a deposit of 8k INR. I raised the notice period on 01-03-2024.

Property inspection was supposed to be conducted within one week of raising the notice period in my presence. No inspection was conducted. I tried to reach out to property manager multiple times to carry out the inspection. I vacated the room because of travel to hometown for holidays on 12-03-2024.

Colive has now added double the amount of electricity bill and repair and maintenance charges of 5.5k INR. A deduction of 4.3k was made from my deposit as severance charges. As the total amount due with them exceeded my deposit, I have to pay them additional amount of 7k within 2 days. I received this mail on 15-04-2024 at 4:23 PM.

I asked to send proper documentation of damages done to property and invoices attached. They did not reply till yesterday on both mail and Whatsapp.

On 16-04-2024 at 8:21 PM, I received a legal notice from Colive regarding "Arrears of rent and other charges and rent payable to colife". In addition, I have been asked to pay the cost of issuing the legal notice which is 50k INR.

How should I proceed after this? Any help would be greatly appreciated.