we wants to sale pendrive classes online of CA Course. we want some security features like
a. limited views i.e. only 5 to 6 times
b. auto removal of classes after 6 months
c. it cannot be copy in any system means it should be Read only memory
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Hi I think you are looking for document right mgmt kind of system so that your data remain non distributable. for such kind of solution I can help you. costing and timeline can be decided after discussion.