<span style="color: #222222;">The country's first indigenously developed 500-megawatt (mw) prototype fast breeder reactor at Kalpakkam in Tamil Nadu is expected to achieve criticality next year, Department of Atomic Energy (DAE) secretary Sekhar Basu said at the 62th General Conference of International Atomic Energy Agency (IAEA) in Vienna.</span><br />'' <br />'' <span style="color: #222222;">The project, which was earlier expected to be commissioned in 2012, has missed several deadlines. </span><br />'' <br />'' <span style="color: #222222;">The indigenously developed Prototype Fast Breeder Reactor (PFBR)is now undergoing sodium commissioning. </span><br />'' <br />'' <span style="color: #222222;">In a statement issued by the DAE, Basu said that India's plans to build 21 reactors by 2030 was well on track.</span><br />'' <br />'' <span style="color: #222222;">The reactor was designed by the Indira Gandhi Centre for Atomic Research (IGCAR).Bharatiya Nabhikiya Vidyut Nigam (Bhavini), a public sector company under DAE, has been given the responsibility to build the fast breeder reactors in the country.                             </span><br />