Zetta- Zetta- Zetta is a decimal unit prefix in the metric system denoting a factor of 10 or . The prefix was added as an SI prefix to the International System of Units (SI) in 1991 and has the symbol Z. Zetta is evocative of the Latin numeral , meaning "seven". Therefore it was used to denote the seventh power of 1000. A prefix of the same value, "hepta", was informally introduced a few years before the promulgation of zetta. It was formed from the Greek (), also meaning "seven". "Hepta" never received official sanction and is obsolete. Zeta (), although
Kya Huaa Tera Vaada Kya Huaa Tera Vaada Kya Huaa Tera Vaada (English: What About Your Promise) is an Indian soap opera that premiered on 30 January 2012 and went off air on 23 May 2013, on Sony Entertainment Television India. It also airs on Sony Entertainment Television Asia. The show stars Mona Singh and Pawan Shankar as the protagonists and Mouli Ganguly as the antagonist. "Kya Huaa Tera Vaada" is produced by Balaji Telefilms of Ekta Kapoor. "Kya Huaa Tera Vaada" is the story of Pradeep Singh (Pawan Shankar) and Mona Singh (Mona Singh), a couple who lives in Mumbai with their three