The word technology is made up of four syllables when pronounced by both Hindi speakers as well as by American English speakers. We can segment them like this:
The word technology is a combination of techno, from the Greek tekhno, meaning skill, and the suffix -ology, which is also of Ancient Greek origin (-logia) and is used to convey that something is a certain body of knowledge, or field of study.
The first syllable of technology is tech. Many times, instead of saying all four syllables of technology, people just refer to it using the first syllable and talk about tech.
Hindi speakers often pronounce this syllable with a retroflex t sound instead of the alveolar t sound that American English speakers use. They curl their tongue backwards when making the first consonant in this syllable. If you want to sound more American, make sure that you aren't curling your tongue backwards, just point the tip of your tongue to the top of your mouth, leaving a small amount of space between your tongue and your front teeth.
Hindi speakers often pronounce this word with the