As of my knowledge cutoff date of September 2021, here are some of the best laptops under 40000 in India:
Acer Aspire 3 - This laptop comes with a 15.6-inch HD display, an Intel Core i3 processor, 4GB of RAM, and a 1TB hard disk drive. It also features Windows 10 pre-installed and has a battery life of up to 7 hours.
Lenovo IdeaPad S145 - The Lenovo IdeaPad S145 features a 15.6-inch HD display, an AMD Ryzen 3 processor, 4GB of RAM, and a 1TB hard disk drive. It also comes with Windows 10 pre-installed and has a battery life of up to 5.5 hours.
HP 15s - This laptop has a 15.6-inch HD display, an Intel Core i3 processor, 4GB of RAM, and a 1TB hard disk drive. It also features Windows 10 pre-installed and has a battery life of up to 7 hours.
Dell Inspiron 3501 - The Dell Inspiron 3501 features a 15.6-inch HD display, an Intel Core i3 processor, 4GB of RAM, and a 1TB hard disk drive. It also comes with Windows 10 pre-installed and has a battery life of up to 6 hours.
Asus VivoBook 14 - This laptop has a 14-inch HD display, an AMD Ryzen 3 processor, 4GB of RAM, and a 256GB solid-state drive. It also features Windows 10 pre-installed and has a battery life of up to 6 hours.
Please note that the prices and availability of these laptops may vary depending on your location and the time of purchase. Additionally, newer models may have been released since my knowledge cutoff date, so it's always a good idea to check for the latest information before making a purchase decision.
