Reacting sharply to the development, BJP lodged a protest with Governor K K Paul and alleged it was "abduction" of its MLA.
People poured their wrath on Mussoorie MLA Ganesh Joshi for showing cruelty to the animal.
The horse was part of mounted police deployed to control the protest march called by the opposition party to protest against the state government's alleged failure on all fronts including law and order and corruption.
A local court on Tuesday granted bail to Bharatiya Janata Party MLA Ganesh Joshi accused of attacking police horse, Shaktiman during a protest march in Dehradun recently which caused a national outrage.
'I had told the government that if they could not take care of Shaktiman, I would take care of him.'
'They are calling me an accused without even an inquiry.' 'The video was fabricated and doctored. Now the truth is coming out.'
The left hind leg of Shaktimaan, the horse which suffered multiple fractures after being brutally attacked by BJP MLA Ganesh Joshi, was amputated on Thursday evening.
A man was arrested from Haldwani in Nainital district for pulling up the reins of a police horse and precipitating its fall during a protest march by BJP in the city recently.
Political temperatures shot up in Dehradun on Friday abruptly after the arrest of Bharatiya Janata Party MLA from Mussoorie, Ganesh Joshi in the Shaktiman case, with the entire place agog with rumours that the BJP was trying to woo disgruntled Congress legislators to prove that the party had been reduced to a minority.
Police horse 'Shaktiman', who suffered multiple fractures on its hind leg during a Bharatiya Janata Party protest in Dehradun last month triggering widespread outrage, died on Wednesday.
Terming the case lodged against Joshi as an act of "political vendetta" by the previous government, state urban development minister and spokesman of the state government Madan Kaushik said all "politically motivated" cases slapped against party workers by the previous regime are being withdrawn.
The Bharatiya Janata Party on Tuesday picked first-time MLA Bhajan Lal Sharma as Rajasthan's new chief minister, ending days of speculation that followed its victory in the assembly polls.
Nine Congress MLAs, most of them Bahuguna loyalists, rebelled against Harish Rawat and supported BJP's claim to form a government.
At 45, Dhami takes over as the youngest chief minister of Uttarakhand.
Under the Supreme Court-monitored proceedings, the result of the vote will be given to the court on Wednesday morning.
The top posts on social media from your favourite Bollywood celebrities.
Addressing an election meeting on what once was the home turf of slain gangster-politician Atiq Ahmed, Uttar Pradesh Chief Minister Yogi Adityanath on Tuesday appeared to invoke nature as a great leveller -- a force that delivers justice.
Rane accused the Congress of reneging on its promise of making him the CM after he joined the party 12 years ago.