Hi,
The proper term for this clause is called Non-discourse term.
Please go through the following and you may use as per your requirement.
During the service period, you will observe secrecy and confidentiality and will not divulge, disclose or make known to any person/third party nor will you unauthorisedly use any knowledge or information in respect of manufacturing, technical trade secrets or business data (including manufacturing process, technical know-how, customer information, business plans and like matters) which are necessarily confidential and have come to your knowledge during the course of your employment with the company and you shall not copy or transmit the same unauthorisedly nor will you grant permission to assist, permit entry to, or in any manner co-operate with any third person for the purposes of accessing, obtaining, copying, transmitting or removing the above. Even after the expiry of the employment period, you will not use, divulge, disclose or remove in any manner whatsoever, confidential information obtained by you during the course of employment with the company of the type described above of which you are possessed with, during the service period.