If the TV still boots, navigate to Settings > Device Preferences > About > System Update and select Local Update if available.
Finding specific firmware parts for the Micromax L32TA6445HD Download Miromax L32TA6445HD Firmware part02 rar
Start by checking the Micromax Official Support page or their Android TV system update section for OTA updates. If the TV still boots, navigate to Settings
Do not turn off the power during the upgrade, as this may permanently brick the product. If the TV still boots