The experienced broadcast journo will lead the group's futuristic video initiative.
As per Barc data, AajTak has acquired 11.8 percent, India TV is at number three with 11.5 percent
It has become the first national news network to have a dedicated news channel from the region.
Joshi on Friday congratulated Network18 group’s 4500 employees on its recent successes.
The channel has curated a special programming line-up ahead of India’s 75th Independence Day.