Read the following passage and solve the questions based on it.

Federation of Indian Chamber of Commerce and Industries organized a business conclave on India's emerging electronic goods sector. CEOs and Managing Directors of four leading companies, namely, Klentech Industries, Andromeda Infotech, Zoomerng Technologies and Spearhead Unlimited were invited to deliver lectures on this occasion. The CEOs of the four companies were Mr. Sethi, Mr. D'Souza, Mr. Puri and Mr. Bisht respectively, while the Managing Directors were Mr. Tandon, Mr. Arora, Mr. Karare and Mr. Reddy in that order. The speeches were delivered subject to the condition that each of the Managing Directors delivered their speeches immediately after that of the CEOs of their company.