Mr Jaiswal joined Flipkart 10 months ago and is one among thousands of "wishmasters", as the firm calls them, working against traffic amid intense competition between e-commerce companies that promise the fastest delivery for the most competitively priced products.
E-commerce is growing in India. More than 400 million Indians are already online in a population of 1.25 billion with 25 million Internet users being added every year.
Now firms are dependent on deliverymen, the one human element in the transaction as they try to woo customers with the best customer experience.
In the southern city of Bengaluru, 24-year-old Nagarjuna S., another Flipkart deliveryman and a commerce graduate, has just finished dealing with an irate customer.
"He was really angry and he started screaming abuse at me. He wanted a replacement but had chosen the wrong option online. So I explained what had happened and he calmed down after a while,'' says Mr Nagarjuna. "There was no point in both of us getting angry."
While his personal best is delivering 260 packages a day during the Big Billion Day sale - Flipkart's flagship sale in October - he makes around 150 deliveries a day.
"A lot of people are buying online. In the past I used to deliver 40 to 50 packages on average. Now it can go up to 150 a day,'' says Mr Nagarjuna, who on a warm Friday has delivered 68 packages in six hours.
"I don't feel the pressure anymore. I have the experience and I know how to talk to customers.''
VIDEO: Delivery riders face challenging traffic in Delhi
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