This document discusses three B2B lead generation case studies: 1. Acelot Innovation helped B2B companies in India generate 40 leads per month through LinkedIn and Facebook ads with a budget of 100,000 INR. 2. Landmark Athletics, a fitness company in Canada, generated 120 leads per month through Google and Facebook campaigns with a budget of 4,500 USD per day. 3. Beltecno India, a stainless steel manufacturer, initially generated 50 leads per month through Google and Facebook campaigns in India, UK, and USA, which was increased to 200 leads after optimizing campaigns and increasing daily ad spend to 120,000 INR.