Ghana's all time leading striker joined Guwahati-based outfit as a free agent from Turkish Super Lig side Kayserispor.
"Gyan is a big figure, a big personality. You can't say anything negative about him."
"He has been encouraging us in the dressing room. He has a big influence.
"He talks about the big matches he has played in the [FIFA] World Cup and with many big clubs.
"So, in that way, we take his experience and go to the pitch."
NorthEast United leads the ISL table after four games with eight points, they remain unbeaten with two wins and two draws.
Gyan has four appearances with two goals.