NEW DELHI: The Union health ministry on Tuesday said 29,000 cold chain points, 240 walk-in coolers, 70 walk-in freezers, 45,000 ice-lined refrigerators, 41,000 deep freezers and 300 solar refrigerators will be used for Covid-19 vaccine storage. Providing the details about cold-chain management at a press conference here, Union health secretary Rajesh Bhushan said guidelines for estimation of electrical and non-electrical cold chain equipment and their strengthening have been issued to states by the Centre. The guidelines for management of cold chain at last cold chain points and session sites have also been issued, he said. "A total of 29,000 cold chain points, 240 walk-in coolers, 70 walk-in freezers, 45,000 ice-lined refrigerators, 41,000 deep freezers and 300 solar refrigerators will be used,” Bhushan said.