Share information on how you had developed the plan but do not mention the name of the product/service or other confidential details. You may say, “One of the products in our company was entering into the maturity stage from the GROWTH stage of the product life cycle. As such it was necessary to plan out another marketing strategy that WOULD be effective at this level. The stress was given to factors like MARKET retention and expansion while DRAFTING the plan. The plan was effective in strengthening the position of the product in this concerned market.”

The element of confidentiality is important throughout the answer. In case you are asked about the name of the company then be polite and say that certain restriction are not permitting you to disclose the name of the product. The interviewer(s) would understand the GRAVITY of the situation.

Share information on how you had developed the plan but do not mention the name of the product/service or other confidential details. You may say, “One of the products in our company was entering into the maturity stage from the growth stage of the product life cycle. As such it was necessary to plan out another marketing strategy that would be effective at this level. The stress was given to factors like market retention and expansion while drafting the plan. The plan was effective in strengthening the position of the product in this concerned market.”

The element of confidentiality is important throughout the answer. In case you are asked about the name of the company then be polite and say that certain restriction are not permitting you to disclose the name of the product. The interviewer(s) would understand the gravity of the situation.