Short answers, pulled from the story.
The Indian plate began drifting northward from Gondwana hundreds of millions of years ago. This geological journey started when the Indian plate rifted away from the southern landmass while carrying what is now the Tibetan Plateau.
The Indus-Yarlung suture zone is the precise point where India welded to Eurasia during their violent collision. This suture zone lies north of the Himalayas and marks the remnant of the Neo-Tethys subduction zone pinched between the two continental crusts.
The term subcontinent came into common usage in the early twentieth century. This timing coincided with the period when most of the territory was either part of the British Empire or allied with it.
The cricket subcontinent includes India, Pakistan, Sri Lanka, Nepal, Bangladesh, and Afghanistan. These nations share a unique cultural bond through the sport of cricket introduced to the region by the British.
Bangladesh became independent of Pakistan in 1971 following a civil war. This separation occurred after Pakistan itself became independent of British India in 1947.
The Cimmerian Orogeny was a period of mountain building that shaped the region's topography. This geological process involved the Qiangtang terrane and the Lhasa terrane which had already accreted to Eurasia before the Indian plate began its northward drift.