India is set to launch 22 satellites at once. Third largest amount ever. Russia holds record at 33, the US had a 29 satellite launch. India also launched it's first reusable rocket in May.
https://www.yahoo.com/news/india-set-launch-22-satellites-183609883.html
https://www.yahoo.com/news/india-set-launch-22-satellites-183609883.html