writ petition on rti matter

What is the procedure for filing writ petition regarding RTI matter? Actually I filed a query with PIO but got no reply within stipulated time. Then I filed F.A. Then after a delay the PIO sent an incomplete reply without any mn tion of my F.A. Then l appealed to the state information commission. The appeal to state IC was done 2 months ago. Now can I file a writ petition to the high Court? Please help

1.  WP can be filed based on "point of law" on the order of SIC.

2.  No SIC Order means No WP.

Keep Smiling .... Hemant Agarwal 
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Small correction. No order of CIC, writ mandamus as CIC is an creature of statute to do public duty within time frame.