The 35-year-old Jhajharia, a left-hand amputee, is the only Indian para athlete to have won two gold medals in the Paralympics, the earlier one being the yellow metal he won in 2004 Athens.
"I am not stopping here after the Rio success. I have enough gas in my tank and I will definitely go for gold in Tokyo. I know my body and I can still train two hours in the morning and two hours in the evening rigorously everyday, just like I did in the build-up to the Rio Paralympics," Jhajharia told PTI in an interview.
But the catch is it's not certain that Jhajharia's event may be in 2020 Paralympics once again just like it was not there in the 2008 and 2012 Paralympics.
"The IPC decides which events (classifications) will be there in a Paralympics. There are a lot of classifications in the Paralympics based on the level of disability. For example, the IPC may decide that there will be 50 or 60 events in athletics in a Paralympics and accordingly classifications are made. IPC will decide next year during the IPC World Athletics Championships in London (in July) which events will be there in Tokyo," he explained.
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In Rio, Mariyappan Thangavelu also won a gold in men's high jump T42 with Jhajharia bagging the second yellow metal in the same Games earlier this month.
Joginder Singh Bedi, however, remained the Indian with most medals in Paralympics, though without a gold. In the 1984 Paralympic Games at Stoke Mandeville and New York, he won a silver in men's shot put L6, a bronze each in men's discus throw L6 and men's javelin L6.
Jhajharia also staked his claim for next year's Rajiv Gandhi Khel Ratna Award. With the Sports Ministry also declaring that para athletes will also be considered at par with able-bodied athletes, Jhajharia feels that he has a bright chance to win the country's highest sporting award next year.
"I am very encouraged by Sports Minister's comments that para athletes will be considered at par with abled-bodied athletes in terms of conferring sports awards and even Padma Awards. I feel that I am a strong contender for the Khel Ratna Award next year," he added.
Jhajharia said he could have even got the Khel Ratna Award this year had the Paralympics finished before the National Sports Day, just like P V Sindhu, Sakshi Malik, Jitu Rai and Dipa Karmakar were conferred with the top award.
Jhajharia is the first Indian para athlete to have been conferred in 2012 with Padma Shri, the country's fourth highest civilian award. He was conferred with Arjuna Award in 2004.