Watch Formula 1 Live: Mexican Grand Prix Practice session live streaming and TV information

The 2015 Formula One season drivers' title and constructors' championship may have already been decided, but there are three more important races to go, including the Mexican grand prix, which is scheduled for Sunday. The first two practice sessions takes place on Friday.

Mercedes and Lewis Hamilton have won the constructors' championship and drivers' title for the season respectively.

The Mexican grand prix is going to be significant for a number of drivers in the circuit. Sebastian Vettel and Nico Rosberg are fighting it out for the second position in the drivers' standings with only four points separating the two. Vettel and Rosberg have accumulated 251 and 247 points respectively.

Apart from the duo, Sergio Perez will grab eye balls as he will be driving in front of his home fans, who will be eager to see him finish in the podium at Autodromo Hermanos Rodriguez track in Mexico.

Perez has been instrumental in helping Force India gain 102 points in the season with the help of his teammate Nico Hulkenberg. Perez has collected 64 points this season and looks set for some more points in the Mexcian grand prix.

The Mexican driver believes it is going to be a special moment in his career irrespective of the position he finishes on Sunday.

"It's definitely a big dream for me to be able to race in my home country. It's been more than 12 years since I raced in my country, so definitely it's going to be the biggest day of my career on Sunday, because to race in front of my whole people, all my country, it's something very special. You know how Mexicans are. So, it's going to be the most special day of my career, no matter what result I get on Sunday," said Perez.

One cannot overlook the recent performances of Perez of late as he has finished third in the Russian GP and fifth in the US GP. Such results will increase his confidence ahead of the Mexican grand prix. Perez wants to keep the momentum going forward.

"We've been having a very good couple of races; the last six have been really strong for us. I think there is a very good chance we can keep up the momentum. I'm looking forward to do that and try to score as many points as possible on the weekend for the team and for all the people who are coming to see me on Sunday," said Perez.

Perez might not be the top favourite to clinch the Mexican GP with other drivers such as Vettel, Rosberg and Hamilton expected to deliver the goods in Mexico. The trio are top class drivers in the circuit.

Hamilton, who is already the world champion for this season, has no intentions of taking it easy as he will go for the attack in the Mexican GP. Hamilton has won an incredible 10 races this season.

"For me it's always maximum attack, so we've still got these three races. For example, we've got the Mexican Grand Prix here, the first time in 23 years. I think it's exciting for the Mexican people; it's exciting for me, and as all us driver [feel], you love to have your stamp on the first race back here, so that's the target and yeah, we've still got big races to win," said Hamilton.

Ahead of the Mexican GP, there are some interesting questions that gain prominence. Will Rosberg overtake Vettle for second position in the drivers' standings? Will Hamilton win his 11^th race of the season? How will Perez perform in his homecoming?

Only time will tell.

Where to watch live

First Practice Session (Friday): 10 am local time, 9:30pm IST, 5 pm BST

Second Practice Session (Friday): 2 pm local time, 1:30am IST, 9 pm BST

Final Practice Session (Saturday): 10 am local time, 9:30pm IST, 5 pm BST