Based on normal media and government - the fact is I’d say, two months.
But he has a point. The easiest part about having a carrier-equipped navy, is acquiring one. The hardest, is evolving the logistics and operations, and that takes decades to develop and fine-tune.
From the article:
“The Indian Navy has travelled this route and knows that aircraft acquisition, training of air and ship crew and gathering operational expertise in carrier operations are factors that take a lot of time and effort. “I would therefore say that the PLA Navy is some years away from attaining carrier capability.””