Vijay Mallya believes the Spanish Grand Prix will prove to be "a pivotal moment" in Force India's season.

Force India has enjoyed a highly impressive start to 2014, sitting in third place in the constructors' championship after four races thanks to consistent results from Nico Hulkenberg and a podium from Sergio Perez. While Mallya is confident Force India will be strong in Barcelona, the team principal admits the updates that all teams will bring could shake up the competitive order.

"It's encouraging that we have performed well across a wide range of circuits, so I'm optimistic that we can maintain our competitive form in Barcelona," Mallya said. "China has never been an especially strong track for us, so to come away with ten points was a very good effort.

"We also expect our car to perform better in warmer conditions and there are some upcoming races that will play more to our strengths. At the same time we know that Formula One never stands still and Barcelona is always a pivotal moment in the development race, but I'm optimistic we can keep up our momentum."

And Mallya admitted he expects this to become Force India's most productive year after such a strong start.

"I think we can feel extremely satisfied with our performance during the first four races. We've been in the points in every race, Sergio has been on the podium and Nico has finished no lower than sixth place. We've already scored 70% of the total points we scored in 2013 and that puts us in a fantastic position to potentially enjoy our best season to date."