NVVN recovers Rs 28 crore from erring firms. Acting tough on companies that did not commission solar power projects on time, NTPC Vidyut Vyapar Nigam (NVVN) Limited has encashed a part of bank guarantee of 14 of them. The companies were awarded projects under batch one of the first phase of Jawaharlal Nehru National Solar Mission (JNNSM). The last date of commissioning was January 9. About Rs 28 crores have been encashed from these firms located in Rajasthan, Odisha, Andhra Pradesh, Karnataka and Tamil Nadu.