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Answers.
1) Yes. It is not mandatory to disclose cost on your E-way bill or delivery challan. You can show the market value of the raw material that you are shipping to that manufacturing firm in these documents.
2) Ans b. Commercial value of this Raw Material when you are shipping Raw Material to them and Ans c when they are shipping the intermediate product back to you..
3) In both the case you have to prepare 1. Delivery Challan & 2. E-Way bill.
4) Yes.
5) You have to maintain quantity wise and HSN code wise & date wise details of the materials that you sent to Job-worker and the materials that you recieved back from them. Also you have to file Gst return ITC-04 for this.
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