The correct option is B South-west monsoons
The Indian economy is heavily dependent on agriculture and the livelihood of the Indian farmer largely depends on the Monsoon rains . Southwest Monsoon or summer monsoon in India is a four month long episode from June till September with more than 75 per cent of India’s annual rainfall occurs during time. The fate of the Kharif crops, a major contributing factor to India's economy and survival, depend on the southwest Monsoon.