A spinal stroke left the former New Zealand all-rounder's legs paralysed following emergency heart surgery last month.
"I've achieved all I wanted," Shastri said when asked whether the ICC T20 World Cup would be his last outing with Team India as head coach.
"The BCCI maintains that Test cricket is the ultimate format and we won't compromise it for anything," said Ganguly.
If the ICC rules the Test as abandoned, then India will win the series 2-1 but if England get a forfeiture as per the DRC ruling, it will be a 2-2 verdict and the host nation can also claim insurance.
It's now up to the International Cricket Council to adjudicate the outcome of the exciting series.
Harrison said the proposed rescheduling would be a one-off game instead of being a decider for the series that India currently leads 2-1.
The BCCI said the well-being of the players was of "paramount importance" and that the match would be rescheduled at a later date without elaborating when that could be.
Earlier, physio Parmar's positive COVID-19 report had prompted BCCI president Sourav Ganguly to admit that there was uncertainty around the Test.
There is a good chance that pacer Mark Woods will return to the playing eleven in place of James Anderson, who could be rested after featuring in four games.
Virat Kohli's men, who were shot out for 191 on the first day and conceded a 99-run first innings lead, displayed fighting spirit and resilience to stage an amazing turnaround.