If the appeal court finds that Pistorius should have been found guilty of murder, as prosecutors contend, he faces a minimum sentence of 15 years in prison.
Judge Thokozile Masipa said prosecutors could appeal against the decision, but not the five-year sentence given for the lesser charge of culpable homicide.
Pistorius' defence team wrapped up its case in the murder trial and the court adjourned for a month to allow the legal teams to prepare and submit their closing arguments.
Dravid announced his association with an aim to contribute towards the development and mentorship of Indian junior Olympic and Paralympic athletes.
Sports Minister Ajay Maken tweeted that he has asked the officials in London and India to get in touch with concerned people.
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