There are many laptops available in this price bracket and I have seen some good brands with robust specs suitable to your need.
I have shortlisted four laptops from HP, Dell, Lenovo and Acer respectively based on their detailed specification. The RAM is upgradable later to 8GB if required.
(1) HP 15-BE015TU
Cost - Rs 27500 approx.
CPU Intel Core i3 6006U (6th gen)
GPU HD520
Display 15.6 inch, 1366 x 768 pixels
RAM 4GB DDR4
Storage space 1TB
OS DOS
(2) Dell Inspiron 14 3467
Price - Rs 26990
Intel Core i3 6006U
GPU HD 520
Display 14 inch, 1366 x 768 pixels
RAM 4GB DDR4
Storage space 1TB
OS DOS
(3) Lenovo G50 80/IdeaPad 100
Price - Rs 29990 approx.
CPU - Intel Core i3 5005U (5th gen)
GPU 920M 2GB
Display 15.6 inch, 1366 x 768 pixels
RAM 4GB DDR3
Storage space 1TB
OS DOS
(4) Acer ES1-572
Price - Rs 28990
CPU - Intel Core i3 6006U (6th gen)
GPU Intel 520
Display 15.6 inch, 1366 x 768 pixels
RAM 4GB DDR4
Storage space 500GB
Windows 10
You can further short list from these if these suit your purpose.
Knowledge is power.