Read the following passage and answer question.

Mr. Thaapar is the General Manager of a company named XYZ Ltd. for 12 years. He manages 150 employees with his effective leadership, motivation and communication. He encourages his sub-ordinates in decision-making and respects everyone's ideas and opinions. Once, while passing by the production department, Mr. Thaapar overheard Mr. Rohan, foreman of production department, was discussing about his financial condition on phone with his friend. Mr. Thaapar decided to give him the necessary help in near future in the upcoming appraisal in the form of increased incentive bonus. He also observed that Ms. Heena, Sr. Executive, is very much excited whenever she is given challenging work. Mr. Thaapar decided to reward her in the best possible way and hence he sent her an email stating about her promotion to a higher level which gave her more autonomy and power.

Mr. Thaapar used ______ communication method to inform Ms. Heena.

Formal

The correct answer is option (3)- Formal.

Mr. Thaapar used Formal communication method to inform Ms. Heena.

This is indicated by the passage where Mr. Thaapar sent Ms. Heena an email regarding her promotion to a higher level. Emails are a formal method of communication in a business context.