Jaypee Sports International Ltd (JSIL),that will host India's first ever F1 Grand Prix on its track this month-end,today said it has sold out 70 per cent of the total tickets available. In order to give Formula One enthusiasts a chance to witness the race,the company has slashed ticket prices by up to Rs 20,000 for those who book it on this coming Sunday (October 23). "We have already sold out about 70 per cent of the total tickets available and 90 per cent of the corporate boxes," JPSI's Managing Director and Chief Executive Officer Sameer Gaur told reporters here. He said with a lot of demand coming for the race tickets,the company has decided to slash the ticket prices for one day on October 23 on www.bookmyshow.com. Those who book a ticket for grand stand on that day will get it for Rs 15,000 per ticket as against the normal price of Rs 35,000. Similarly,a classic stand ticket can be booked for just Rs 4,000 against the normal price of Rs 6,500,while that of picnic stand would be available for Rs 3,000 as compared to the usual price of Rs 6,000 per ticket. JPSI Officer Sales Ishani Ghosh told PTI that apart from corporates like UB Group,Mercedes and Airtel,which are associated with the race,others like NIIT,Punj Lloyd and MTS Mobile have also booked corporate boxes. "There are about 55 corporate boxes and each box has 30 seats," she said. JPSI had earlier stated it expects to garner about Rs 150 crore from ticket sales of the race.