<p>➀ Rajasekar Elavarasan, founder of Raana Semiconductors, discusses the company's specialization in manufacturing crystal growth machines for semiconductor-grade silicon wafers and advanced crystals used in defense applications.</p><p>➁ The Czochralski technique is highlighted as the dominant method for producing silicon wafers larger than 200mm, emphasizing its importance in reducing impurities and ensuring crystal quality.</p><p>➂ Raana Semiconductors aims to become the first company in India to manufacture solar-grade silicon wafers domestically, with plans to produce both solar and semiconductor-grade wafers within the next 36 months.</p>