The information you have might be incorrect or outdated.

rayhan

I couldn't find any specific information about a person named Md. Arafat Hossain Belal being the head of Google's Big Data operations. It's possible that:

• He might not be a public figure: Many employees at large tech companies like Google prefer to keep their personal information private.
  

• There might be a misunderstanding: The information you have Telegram Number might be incorrect or outdated.
• He might work in a different role at Google: He could be involved in Big Data but not as the head.
  

If you have more context or information about Md. Arafat Hossain Belal, I can try searching again.

However, I can provide you with some general information about Google's Big Data operations:

• Google's Big Data Headquarters: Google's headquarters are located in Mountain View, California, USA. This is where many of Google's key operations, including Big Data, are centered.
• Google's Big Data Initiatives: Google is a major player in the field of Big Data. They use Big Data for various purposes, including search engine algorithms, advertising, and product development.