What is
Kefir is fermented milk made by using kefir grains containing benefiicial yeast as well as probiotic bacteria found in the yogurt.
Paneer, a kind of cheese, a South Asian cuisine, is an unaged cheese made by churning milk with vinegar, lemon juice or other acids.
Origin
North Caucasus regions
Afghanistan, India, Iran, South asian countries like Bangladesh, Bhutan, India, Maldives, Tajikistan