Under which class does Printer Cartridge Falls.

No you are Right. It will comes under class 02 of Trade marks Act 1999

Non disclosure agreement is an agreement by which a party agrees not to disclose confidential information to third parties. It can be used in various situations, such as business transactions, employment, and real estate. It is also known as NDA or NDAs. Non disclosure agreement is an agreement by which a party agrees not to disclose confidential information to third parties. It can be used in various situations, such as business transactions, employment, and real estate.