How to grep lines having specific format

How to grep lines having specific format

I have got a file with following format.

1234, 'US', 'IN',...... 324, 'US', 'IN',...... ... ... 53434, 'UK', 'XX', .... ... ... 253, 'IN', 'UP',.... 253, 'IN', 'MH',.... 

Here I want to extract only those lines having 'IN' as 2nd keyword. i.e.

253, 'IN', 'UP',.... 253, 'IN', 'MH',.... 

Can any one please tell me a command to grep it.

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This works:. Invalid argument in sendfile() with two regular files
egrep "^[0-9]+, 'IN'" 

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