You're looking for Malayalam kambhi kathakal stories in audio format. Here are some helpful resources:

The 1950s to 1980s are often referred to as the golden age of Malayalam Kambi Kathakal stories. During this period, writers like P. Padmarajan, K. G. Sanu, and M. M. Basu wrote some of the most iconic Kambi stories, which were widely popular among readers. These stories were often published in popular magazines like "Kuthu" and "Chithrapavitram," which had a massive following in Kerala.

Legal & ethical considerations

What are Malayalam Kambi Kathakal stories?