This study is clinical trial based and the target population in this study is patients with post-stroke aphasia. Cognitive linguistic quick test (CLQT) and Speech Language unhelpful thoughts and belief scale (SLUTBS) will apply as an assessment. Inclusive criteria include diagnosed male and female post-stroke severe aphasia patients above 30 years of age. These participants must have high instance of unhelpful speech language thoughts and belief. Participants in inclusive criteria must not be participated in any other psychotherapy/ speech language intervention program. Participants must sign an informed consent form. Participants having a caregiver who is willing to be present during the period of intervention. Exclusive criteria include individuals below 30 years of age and patients with aphasia caused by non-stroke etiology.

The aim of the study is to check the effects of cognitive behavior language therapy on patients with post-stroke aphasia. So, it will help speech language pathologists to adopt the principles of CBLT intervention to treat aphasia that occurs as a result of aphasia.

Inclusion Criteria:

• Both male and female.
• Over 30 years of age.
• All types of diagnosed aphasia.
• Severe aphasia following stroke.
• High instance of unhelpful speech language thoughts and belief.
• Participants who are not participating in any other psychotherapy / speech language intervention program will be included.
• Participants who are willing to sign an informed consent form.
• Participants having a caregiver who is willing to be present during the period of intervention.

Exclusion Criteria:

• Below 30 years of age.
• Patients with aphasia caused by a non-stroke etiology.

both male and female will be included.