As per the reports published in the newspapers some cement companies based in North-East States have decided to curtail their production. Which of the following is/are the reasons for the same?

1. Govt. of India has decided to curtail benefits of excise exemption to the cement manufacturers in these areas.
2. Because of erratic power supply the production has gone down substantially. Companies are planning to shift their plant to other locations.
3. Due to recent improvement in educational facilities there, trained and skilled labourers are not available.