‘No,you may not complete the task in time.’ The underlined word is-

বাক্যের অর্থ: না, তুমি হয়তো যথাসময়ে কাজটা শেষ নাও করতে পার।
An interjection is a word or phrase that is grammatically independent from the words around it, and mainly expresses feeling rather than meaning.
Source: Merriam-Webster Dictionary