‘Major Dhyan Chand Khel Ratna Award’ is given for the spectacular and most outstanding performance in the field of sports by a sportsperson over the period of the previous _____________.

Four years

The correct answer is Option (4) - Four years

‘Major Dhyan Chand Khel Ratna Award’ is given for the spectacular and most outstanding performance in the field of sports by a sportsperson over the period of the previous four years.