Byju’s has about 2 million paid subscribers and 30 million registered users. : Popular learning app Byju’s is looking to bring out its international product in six to eight months that will focus on English-speaking countries like United States, United Kingdom and Australia, according to sources. The firm is raising $400 million from investors such as Canada Pension Plan Investment Board, Naspers, General Atlantic and some existing ones and the fundraising round is likely to conclude soon, said sources. The fundraising puts the unicorn at $3.6-billion valuation, according to industry sources.