Probably, you will be slightly familiar with AdSense and CPC. AdSense pay his publisher according to PPC (Pay Per Click) advertising model.
India is the second largest country in the world from population perspective. Mostly blogger receives Indian traffic, no matter where these bloggers are living or working indeed they are living in Pakistan/India/Bangladesh etc.
KnowledgeIDea receiving 35% traffic from India, which also impact on our revenue because India CPC is slightly low then USA, Canada etc.
At this time AdSense giving us 0.08$-0.15$ for Indian CPC unlike 0.30$-0.85$ for USA, Canada, UK etc.
I would recommend you to read List of AdSense Highest Paying CPC Countries.
Hopefully, this topic will be proven helpful for you. If you have any question related to this topic then reply under this topic.