Answer:
(Fatwa: 782/611=L/1430)
It is permitted to recite Subhana Rabial Azeem thrice in ruku and Subhana Rabial A?ala five times in sajdah, this will not require any sajdah sahv (remedial prostration).
(2) The minimum number of tasbeeh is three, there is no limit for more, but one should recite it in odd numbers.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
