The Central Board of Secondary Education (CBSE) has on Friday, released the answer key for the Central Teacher Eligibility Test (CTET) on its official website - ctet.nic.in.Candidates who appeared for the CTET examination on 31 January can check the answer key online on or before 21 February.According to the official notification, a fee of Rs 1,000 per question is required to be submitted through credit/debit card. The fee, once paid, is non-refundable.Here's how to check the CTET answer key 202