Maantic Inc, a US-based global IT solutions company, on Friday opened its new state-of-the-art Offshore Development Centre ODC in Kolkata and stated that it wants to make it the biggest talent hub worldwide.This is its second offshore office in India after Pune, the California-headquartered technology company said on Friday.The City of Joy has an abundance of tech talent, excellent work culture and it also ranks higher in the global affordability index.