The note, written by CA interim CEO Nick Hockley was addressed to "friends in Indian cricket", the BCCI, acknowledging the role played by the board in successfully completing the tour
On Tuesday, the Ajinkya Rahane-led side defeated Australia by three wickets in the fourth and final Test at The Gabba, thereby winning the four-match Border-Gavaskar series 2-1.
The highest target chased at The Gabba before India surpassed 328 with three wickets in hand on Tuesday was 236, way back in 1951 by hosts Australia against West Indies.
Shastri lauded the entire team with special praise for resilient debutants Shubman Gill and Mohammed Siraj after the 36 all out nightmare in the opening Test in Adelaide
Rahane came to the crease with his team in trouble early in the day after two wickets fell in quick succession, but rode his luck to notch a 12th Test ton