1. a. The lever pressed by the finger to discharge a firearm. b. A similar device used to release or activate a mechanism. 2. Something that precipitates a particular event or situation. 3. Electronics A pulse or circuit that initiates the action of another component. tr.v. trigÂ·gered, trigÂ·gerÂ·ing, trigÂ·gers 1.
Noida is located in the Gautam Buddh Nagar district of Uttar Pradesh state India. Noida is about 25 kilometres (16 mi) southeast of New Delhi, 20 kilometres (12 mi) northwest of the district headquarters - Greater Noida and 457 kilometres (284 mi) northwest of the state capital, Lucknow.
Noida has the Delhi Metro facility till the City Centre from Delhi and also to Vaishali. The Metro service in Noida started in November 12, 2009 (10 months in advance), due to the Commonwealth Games. Metro will further expand in Noida and will also cover Greater Noida.