Union Minister for Food and Consumer Affairs Ram Vilas Paswan on Monday said the government had received complaints against two companies for adulteration in bottled mineral water.He, however, refused to reveal the names of these companies."We have been receiving complaints regarding adulteration. There are complaints of adulteration in bottled drinking water against two companies. We have been working on a mechanism to address the issue," Paswan told media persons here on the sidelines of the Central Consumer Protection Council meet.He also said that the state governments have been asked to ensure provision of clean drinking water to people as per the standards laid down by the World Health Organisation (WHO).Paswan said the helpline for consumer protection will be operational across the country in three months.