A timeline of Gautam Gambhir's incredible career

Gautam Gambhir has called time on his career after serving Indian cricket for 15 years. So what does Gautam Gambhir mean to Indian cricket? If we look at his numbers at end of his international run, he averages a touch over 40 in Tests, a touch below 40 in ODIs and a meagre 27.41 in T20Is. These numbers might not be legendary but one needs to scratch beneath the surface to understand their significance to be able to value Gautam Gambhir's contribution towards Indian cricket in its golden period.