• Provide correct information for labeling of food
• Research ways to improve the freshness of food
• Find quick and cheap ways of producing food
• Test the quality of food
• Understand and ensure the safety of food

All it depends your interest, as the name suggest food quality assurance has very limited application, just quality assurance, that too in foods/flavors/dairies that will be the extend of your job opportunities. 

The other degree food science and technology has much wider scope, it opens the door to production floor, where pure science grads will not cut it. And being a food science and technology grad you always have a chance to go to assurance side.

Food and beverage is basically related to hospitality line like Hotel management.

M.Sc in Food Technology pass outs has a lot of career opportunities in several units in the Government sector. Food Corporation of India is the top most firm in the Public sector that recruits these graduates. The most demanded job profile in the field is Food Technologist.

Good Luck.

You should go for Food Technology. Food science and technology is a vast domain which consists of packaged and fresh food. Given today's fast paced lifestyle, scarcity of time has led to the demand for packaged or ready-to-eat food products. One of the largest economic activities in the world is the production and distribution of food. It is also expected that the Indian food industry will grow by $320 billion by the financial year 2020. With increased convenience, taste, nutrition, and variety, the concept of processed food is seeing a lot of innovation and change.

Food technology is a science which combines nutrition, chemistry, engineering, and microbiology to manufacture foods that last longer. Foodtechnology deals with the processing and preserving of foods. The study of food technology involves developing new methods and systems for prolonging the freshness of food products, protecting them from bacteria and other micro-organisms.
A food technologist is also known as the food scientist who works in the food processing industry and helps in developing healthy, high nutrition, and convenient food products. one can start your carrier as:
Product developer
Production supervisor
Production executive
Quality controller
Production manager
Research director

The scope in food technology is good but in India it is new but in future the demand will be high in this so you can go for it.

Placements are ranked above average and overall it is a good college.

you can check its reviews and ratings below:

Techno India reviews

Good Luck.