According to sources, the first lot of shipment will meet the demand till the weekend with record pre-booking demand in excess of 21,000 units.

"The fear of shortage in inventory is much less now since there will be sufficient inventory to last till the weekend and Apple has fresh stocks that will hit the shelves by early next week," said one of the trade partners.

The supply is recorded as much better than last year's high-voltage iPhone 5s and 5c launch when only about 20,000 units had hit the Indian market in the first phase.

According to one of Apple's main distributors, the new iPhones will be sold in 1,200 retail locations across India.

It may be mentioned here that all top retailers and Apple stores will launch the new iPhones in India on Thursday midnight which will be made available only to the pre-booked customers, while the regular sales will start from Friday morning.

However, Samsung too will launch its biggest bet yet, the Galaxy Note 4, on Friday.