1 of 6
A national strike in India has hit transport and business. Domestic flights were severely disrupted.

2 of 6
Unions oppose economic reforms. It is the first nationwide strike since the Congress party won power in 2004.

3 of 6
Many government offices and schools were closed. People cycled or walked to work.

4 of 6
Airlines cancelled flights as airport staff walked out in protest at privatisation plans. Thousands of travellers were stranded.

5 of 6
International flights ran normally, officials said. Riot police and air force personnel were drafted in to avert major disruption.

6 of 6
Calcutta, a left-wing stronghold, was worst hit by the strike. Here bank employees take to the streets.