Please give me understanding of below questions.

1. what is difference between 221(G) green form and 221(G)Blue form for Chennai consulate.

I got 221(G)Green slip. But its format is like blue slip.

1. How we can see status of both online.
2. Which is better than each other ?
3. Can i see status of green online ?
4. Can I see status of blue online ?

Blue is for applicant's Background verification ?
Green is for company's background verification ?

Please advise. Thanks in Advance.