Buccal mucosa carcinoma of squamous cell is an uncommon kind of oral cavity cancer that is known to be dangerous. It's also linked to a high probability of local regional recurrence, and it's more likely in persons who chew tobacco and/or smoke, whether or not they drink alcohol. A 48-year patient is an elderly man who works as a farmer, mesomorphic built with right-hand dominance came to the tertiary care hospital with complaints of painful ulcers in upper left Jaw's front portion, which was relatively small initially and further increases to 6 x 4 cm approx., since last 4 months. Patient was complaining of pain, difficulty in mastication and manipulations etc. He has history of kharra chewing and tobacco chewing since last 10 years. With these complaints patient has come to the oral surgery department with buccal mucosa skin involvement and underwent surgery as compartmental resection of lesion, Modified Radical neck dissection and segmental mandibulectomy. Following surgical procedure patient has complaints of discomfort, limitation of movements at the operated site, chest pain, and limited mouth opening. For these complaints, programmed physiotherapy treatment was given to the patient which mainly concentrates on mouth opening and increasing range of motion of affected side.