Zetta- the 6th letter of the modern and classical Greek alphabet, denotes a value of seven (7) when used as a numeral. Examples: 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
Tera Fort now one of the tourist attractions of the Kutch. Tera Fort Tera Fort is one of the many forts of Kutch, Gujarat, India. It is situated in southwestern Kutch near the village of Tera in Abdasa Taluka. Tera Fort lies eighty-five kilometres west of the town of Bhuj. It dominates the plains of Kutch from its position on the banks of Tretara (Three lakes) namely Chattasar, Sumerasar and Chatasar. Tera Fort was built by one of the Jadeja Chiefs, who was given the estate of Tera during the reign of Deshalji I (1718-1741). Tera Fort was badly damaged in a