The document outlines a summer internship project focused on the promotional and marketing strategies for Hindustan Petroleum Corporation Limited's diesel engine oils, specifically addressing the decline in sales of the HP Laal Ghoda 20W 40 product. It includes detailed research objectives, methodology, data analysis using factor and regression analysis, and findings related to the market conditions and consumer preferences. The report concludes with policy prescriptions aimed at improving sales, including enhanced packaging, targeted promotions, and better distribution strategies.