Tendulkar hailed her as a "true role model" for aspiring sportspersons.
"Congratulations to @NSaina on becoming the first Indian woman to be the World Number 1. Well done and keep smashing them on! A true role model for aspiring sports persons in the country," Tendulkar tweeted.
Returning home after India's cricket campaign ended at the semi-final stage of the 50-over World Cup, Virat Kohli, also praised the fellow sportsperson for making the country proud.
Saina's personal coach Vimal Kumar was also pleased at her wards accomplishment and urged the top shuttler to maintain consistency.
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"I am quite pleased. Now she needs to find consistency. So many events are coming up, showing consistency is the key," said Kumar.
Saina scripted history by becoming the first Indian woman shuttler to reach the number one spot in world rankings, reaffirming her status as the country's most consistent performer in the international circuit.
The 25-year-old, who has reached the final of the ongoing Yonex Sunrise India Open Super Series here, zoomed to the top after her closest challenger for the position, Spain's Carolina Marin, lost in the semifinal.