Unitech Managing Director Sanjay Chandra is betting big on his telecom towers to close his deal with Norwegian telecom giant Telenor because he has to finish leasing telecom towers before Telenor pumps in money into his telecom firm. Chandra seems to have finally managed to do that, as NDTV has learnt that that Unitech's telecom arm has almost finalised a tower sharing deal with Wireless Tata Telecom Infrastructure, Tata Teleservices' telecom tower business.