Debit card fraud is a very common thing nowadays. We are used to hearing the news about misuse of debit card, debit card theft, debit card PIN theft, fake debit card transactions, and much more. A debit card is a magnetic card which is used to access ATM and perform online transactions. Debit cards are issued by almost all the banks in India. These debit cards can be managed very easily using the net banking. Kotak Mahindra bank also offers the debit card service. It is the fourth largest private bank operating in India as per market capitalization. ATM basically stands for automated teller machine which can be used to access your accounts from the ATM kiosks. Debit cards nowadays usually come equipped with a chip which enhances the security of card and prevents its misuse. Here in this article, we are going to explain you the process of how to block your Kotak Mahindra bank debit card using net banking. We will be providing a step by step guide along with relevant screenshots for your convenience. Do remember that you need to have access to your registered mobile phone number or email id along with net banking login details in order to use this method. Apart from this, your debit card can also be blocked by visiting any of the Kotak Mahindra branches. There is a toll-free number provided on every debit card which can be used to talk to the bank representatives and used to block your debit card. Kotak Mahindra bank provides two methods for blocking the card i.e. temporary block and permanent block. As the name suggests, temporary block blocks your card temporarily and can be reactivated whenever you want. A permanent block will render your card useless and then the same card can never be reactivated again. You will require a new card in that case. If you don't know how to apply for a debit card then check out our another article here.