Instead of looking for part14.rar in isolation, search for the complete set. The firmware is likely labeled as Micromax 50 Canvas 3 Stock Firmware (Flash File) .
To install this firmware via USB, you will need the SP Flash Tool and Micromax USB Drivers . Important Notes: Download MICROMAX L40CANVAS Firmware USB part14 rar
What is the found on the back of the device? Knowing this will help ensure you get the right firmware. Instead of looking for part14
Based on search results, the firmware you are looking for appears to be related to the Micromax Canvas series (specifically potentially the L40Canvas-3/50Canvas-3 model). Important Notes: What is the found on the
Is the device a or a smart TV (L40Canvas) ?
Finding specific parts of multi-part archives (like "part14.rar") for older firmware can be challenging as original hosting links often expire.