26 hour layover in Almaty, Kazakhstan

Yes, official airline information from TIMATIC says that you need a visa.

Information as of  27JUN15 / 1842 UTC
National India (IN)             /Residence Ukraine (UA)
Embarkation Ukraine (UA)        /Transit Kazakhstan (KZ)
Destination India (IN)
ALSO CHECK DESTINATION INFORMATION BELOW

Kazakhstan (KZ)


TWOV (Transit Without Visa):
Visa required, except for Holders of onward tickets for a max.
time of 24 hours.
Additional Information:
- Holders of a transit visa must also hold documents required
for their next destination.
Warning:
- Holders of a transit visa are required to also hold onward
tickets.

Kazakhstan (KZ)

Vaccination against yellow fever required if arriving within 6
days after leaving or transiting countries with risk of yellow
.

Exempt from Yellow Fever vaccination:
- Children under 9 months of age.
- Passengers transiting Kazakhstan provided not leaving the
transit area.
- Passengers transiting countries with risk of yellow fever
transmission provided not leaving the transit areas.