Miller took the record as oldest gold medallist from Rosemary Lenton, also from Scotland, who at 72 won gold in the Para women's pairs bowls last Wednesday.
Ukraine will now face Wales on Sunday in Cardiff with the winner taking a place at November's finals in Qatar.
It is the largest domestic airline in the UK with respect to the number of passengers and aircraft size.
Pakistan finished the Super 12 stage with five wins out of five while New Zealand, who ended second in the group, will clash with England in the first semifinal.
The Board of Control for Cricket in India shared a video on Twitter in which the Scottish players are seen interacting with the Indian cricketers.
The entire match lasted a mere 24.1 overs as India first skittled out Scotland for 85 in 17.4 overs and then batted for another 6.3 overs to knock off the runs.
The veteran opener played until the penultimate over and guided the Kiwis to a score of 172/5, which proved to be a winning total in the end.
The win marks Namibia's first-ever win in the Super 12 stage of the mega event.
Afghanistan outplayed Scotland by 130 runs in a Super 12 match played in Sharjah - the first major victory for the team since the Taliban takeover of the country.
Chasing a daunting target of 191, Scotland had no clue to the guiles of Mujeeb (5/20) and Rahid (4/9) as they folded up for 60 in 10.2 overs.