Authorities tried to repair power lines key to pumping water into treatment plants and tanks or employ workarounds, but efforts stalled as shelling mounted.
"India's role as important international partner for Russia will further increase", Russian Envoy Alipov
"Much has been done to strengthen our partnership, but more needs to be done to meet the demands of global change," Denis Alipov said in the statement released by Russian Embassy in India.
A pro-Russian YouTube account had posted a video showing Djokovic's father Srdjan posing in Melbourne Park with a fan holding a Russian flag that featured the face of Vladimir Putin.
Kyiv said the town, which had a pre-invasion population of around 15,000 people, remained contested. "There is fierce combat there," Ukrainian military spokesman Sergiy Cherevaty.
The attacks came a day after Germany said it would supply 14 high-tech Leopard 2 battle tanks to Ukraine and authorize other European countries to send up to 88 more.
Kremlin has repeatedly warned the West that supplying long-range weapons capable of striking deep inside Russia would mark a red line and trigger massive retaliation.
The assaults have crippled the electricity grid with temperatures near zero degrees Celsius (32 degrees Fahrenheit) as winter deepens.
Serbian tennis reporters confirmed it was Djokovic's father and the Melbourne Age newspaper reported he said in Serbian: "Long live Russia."
The Kremlin has offered a variety of responses to plans from Kyiv's allies to support Ukrainian troops with the Leopard model of tanks.
Regular power outages caused by Russian missile strikes have terrified tens of thousands of Ukrainians who rely on electricity to keep medical equipment running.
Berlin stopped short of a green light on Tuesday, but German media -- including newspaper Der Spiegel and news channel NTV -- reported that Chancellor Olaf Scholz would grant approval.
Oleg Nemchinov, a senior government official, announced the departure of five regional governors, whose territories have seen fierce fighting, and four deputy ministers.
Russian offensive operations are now largely focused on trying to secure the remaining territory of Donetsk and Luhansk. Securing that territory was a core justification for the invasion.
Russia has said talks are possible only if Ukraine recognises Moscow's claims to Ukrainian territory in the country's east and south.
Despite heavy losses "Russia is able to continue (this war) for quite a long time," Eirik Kristoffersen said on Sunday, citing Moscow's mobilisation and arms production capacities.
On Friday, some 50 nations agreed to provide Kyiv with billions of dollars' worth of military hardware, including armoured vehicles and munitions needed to push back Russian forces.
"20 Days In Mariupol" offers a behind-the-scenes look at how Chernov risked his life to chronicle a Russian direct hit on a maternity hospital, which provoked outrage around the world.
The aid contains night vision devices, small arms and ammunition, and other items to support Ukraine as it bravely defends its people, sovereignty and territorial integrity.
As the pledges came in, senior Ukrainian presidential aide Mykhaylo Podolyak said it was "time to stop trembling at (Russian leader Vladimir) Putin and take the final step."
The United States will convene a meeting of around 50 countries - including all 30 members of the NATO alliance - at the US-run Ramstein military base in Germany to discuss military aid, on Friday.