Three people died and thousands were detained during Thursday's protests, which turned violent in some parts of the country.
Mobile data services have been shut in Lucknow and Mangalore ½Å¹ß·¹Çø®Ä«»çÀÌÆ®=½Å¹ß·¹Çø®Ä«»çÀÌÆ® cities and some parts of West Bengal state. Several areas in Uttar Pradesh state are also affected.
The new law - known as the Citizenship Amendment Act (CAA) - offers citizenship to non-Muslim illegal immigrants from Pakistan, Bangladesh and Afghanistan.