Wildlife Spotting

It looks like a mole cricket. But im not familiar with insects in that region. http://entowww.tamu.edu/extension/youth/bug/bug012.html

If it is a digger and has mole like fore legs ,then it is not Blattella , I agree. Blatella ,specially Indian ones love to fly and are a common house hold pest.

take a look to the mole-like forelegs adapted for digging they have. I am very sure that It is not a Blattella asahinai, look for some images of both in google images

if indeed it is a cockroach then ,they are white blooded. I have dissected a few as a student and they have white blood inside.

I saw one of them and I took a photo but it was very fast digging and disappear under the earth

No, I think it is European mole cricket, Gryllotalpa gryllotalpa

Is the common name cockroach?