The 4th Conference of the power ministers of SAARC countries was held in September 2011 in

Colombo
Dhaka
Kathmandu
New Delhi

The correct answer is (d) New Delhi.

The 4th Conference of the power ministers of SAARC countries was held in New Delhi, India from 26-27 September 2011. The conference was hosted by the Ministry of Power, Government of India. The theme of the conference was “Strengthening Regional Cooperation in Power Sector for Sustainable Development”.

The conference was attended by power ministers from all SAARC countries. The main objective of the conference was to discuss ways to strengthen regional cooperation in the power sector. The conference also discussed the challenges and opportunities in the power sector in the SAARC region.

The conference adopted a number of resolutions, including a resolution on the establishment of a SAARC Power Grid. The resolution called for the establishment of a SAARC Power Grid to facilitate the exchange of electricity among SAARC countries. The resolution also called for the development of a regional power market in the SAARC region.

The conference was a success and helped to strengthen regional cooperation in the power sector. The conference also helped to identify the challenges and opportunities in the power sector in the SAARC region. The conference adopted a number of resolutions, which will help to address the challenges and opportunities in the power sector in the SAARC region.

The other options are incorrect because they are not the cities where the 4th Conference of the power ministers of SAARC countries was held in September 2011.