NTPC Tamilnadu Energy Company Limited (NTECL) has served notices to the power utilities of Tamil Nadu, Telangana and Karnataka for not paying power dues amounting to Rs 1,379.52 crore towards power supplied from 1,500-Mw Vallur Thermal Power Project (VTPP) at Chennai.
NTECL is a 50:50 joint venture between NTPC and the Tamil Nadu government's Tangedco.

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