In Excise, what is PLA Deposit?

i have several query regarding excise:-

1).who is liable to pay excise duty if goods is manufactured by job worker.in the following cases:-

a)when there is principal to principal relationship AND

b)when there is principal to agent relationship.

2)what is meant by principal to principal & principal to agent relationship.

3)when packing,repacking, labeling,& relabeling amounts to deemed manufacture

please reply my queries as soon as possible and dont copy paste section wordings.
i want explanation in simple and own word.

Thanks in advance

What is the place of removal for a manufacturer exporter for exports of goods? Is it the factory gate or a the port through which it is exported? What is the relevant rule which provides this.

Can a manufacturer-exporter take credit on the Service Tax paid for Services like Custom House Agent, Technical Inspection, Quality Control, Port Services, Terminal Services etc for export of their manufactured goods? If there is any bar on taking such credits, then under what Rule? Does Rule 2(1) of CCR'04 puts any bar on taking such credits of Service tax?

Can an assessee take credit on the Service Tax paid on Services like Custom House Agent, Technical Inspection, Quality Control, Port Services, Terminal Services etc. If there is any bar on taking such credits, then under what Rule? Does Rule 2(1) of CCR'04 puts any bar on taking such credits of Service tax?

Dear Experts,
A client gives trade discount to most of the customers (note - not to all the customers) while valuing for the purpose of excisability they are valuing the goods net of trade discount. Are they doing the right thing? Please tell me the sections which i have to verify as per the Valuation rules of excise.
With regards,
Rajesh

my query is...
A is a dealer and B is a manufacturer..
both in located in delhi

A purchase 100 Kg pig iron @50/- + 10.30%excise duty + 5%vat on the goods from B and A sell this goods to C. C is also manufacturer & A wants to sell this goods on Rs 2/- profit. will A pass excise duty on Rs 52/-?

pls tell me what should be the treatment of bought out items under central excise items if the items which one assesse is producing as finished product are purchased from outside and are cleared without any value addition and process.

pls note that the bought out item is the finished product that one is manufacturing and is cleared without any process and value addition i.e. it is a trading activity.

pls reply at the earliest as it is urgent.

A Ltd. Company two different deptt. account and excise .Company purchase epoxy for manufacturing semiconductor and store outside the factory in rented godown . In this case accounts deptt. take niput credit of duty at the time of receiving invoice of party but but excise deptt. take input when latter material of this item will be consume and new will come into the factory. Excise deptt. said that they can take input only when material come into the factory. Please tell me the solution of this situation .How the both deptt. take credit at same time?

We have imported capital equipments under EPCG scheme. We are exporting products and have a domestic sale as well. We have made domestic sales under EPCG. Can this sale and the export sale together used to ofset the EPCG obligation.

The EPCG rules read as "Exports shall be physical exports. Deemed exports shall also be taken into consideration for fulfillment of export obligation but the licencee shall not be entitled to claim any benefit of Deemed Exports;"

Can the EPCG sales to domestic units be treated as deemed exports