The country’s largest power company NTPC is preparing to bring an IPO of its clean energy subsidiary NTPC Green Energy. The company is planning to bring this public issue at a valuation of Rs 1 lakh crore. In this respect, it can be included in the country’s largest IPO. The price band of NTPC Green Energy will be more than Rs 100 per share. According to people associated with the matter, NTPC Green’s IPO may open for subscription on November 18. Investors can get time till November 21 to bid. However, the valuation, price band and dates are yet to be finalized. Recently, Wari Energies has been successfully listed in the green energy sector. This company raised Rs 4,321 crore from the IPO. It was subscribed more than 70 times.