He paid tributes to the martyrs at the Prerna Sthal and later reviewed the Guard of Honour.
Krishna was commissioned into the Rajputana Rifles in 1980 and has an outstanding professional career in every important military theatre of India, defence spokesperson Manish Ojha said.
In a career spanning over 37 years, he has tenanted active combat leadership roles at every stage of command in the Army, the spokesperson said.
Krishna said taking over the command of the Sapta Shakti Command at Jaipur is indeed a special honour.
On assuming Command, the Army Commander extended his warmest greetings to all ranks of the Sapta Shakti Command, 'Veer Naris' and Veterans as well as their family members.
He has a distinct service profile, covering all military theatres ranging from counter-insurgency and anti-terrorism operations in the Eastern and Northern commands, commanding troops in High Altitude Areas of Ladakh and Sikkim to mechanised operations in Rajasthan and Punjab, Ojha added.