For videos on Personality Development, Life Skills, Sales skills and English learning, visit www.youtube.com/tsmadaan
Full form of STD Telecom . This abbreviation has been explained for the benefit of english language learners and general knowledge seekers. You can know how to speak english at home. This is the best way to learn english speaking for beginners.
![](https://s2.save4k.ru/pic/tGMYjvFb50c/maxresdefault.jpg)