<div>Dear Abhishek,</div>
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<div> The filename seems to be incorrect. The file extension ".nc" is supposed to come in the end, isn't it?</div>
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<div> The GrADS Tutorial and User's Guide are more than sufficient to make a fantastic start. To become more specialized, keep following the questions put up in this forum and their solutions.</div>
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<div>Best Wishes</div>
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<div>Amit Misra</div>
<div>Indian Institute of Technology</div>
<div>Kanpur</div>
<div>India</div>