The sentence was awarded yesterday by Special Devendra Singh Solanki to - Jyoti Yadav (32) - for setting her husband Dileep Yadav on fire over a dispute on March 22, 2011.
The victim later succumbed to his injuries, government advocate Manish Sakrikar told reporters.
The judgement was given on the basis of a dying declaration and evidence collected by police from the spot.
The court also imposed a fine of Rs 500 on her.