Hi Spandan, within India, Andaman and Nicobar Islands, Lakshadweep, Kerala, Coorg (Karnataka), Kutch and Rajasthan can be done within Rs. 50,000. Outside India, your options are Sri Lanka, Maldives and Dubai. Bali is also a good option but the airfare might push the budget beyond Rs. 60,000.
Within India, Andaman and Nicobar, Pondicherry, Kerala, Rajasthan, Goa are best known for honeymoon destinations. Considering your budget Bali and Philippines will be best international destinations for you. If interested in any destination across North India, I can help you with customising all your trip. Inbox me for more details.
Me and my family visited Maldives in the last month. We stayed total 4 nights there. 2 nights in Holiday Inn kandooma and 2 nights in Over water villa of Adaaran select hudhuranfushi. Total cost of the trip was less than 50K per person. For details you can watch my Maldives series on Youtube by clicking on https://www.youtube.com/playlist?list=PLd0DREjXWaLa_CaVzC_cRBIcU18rgQXVn
It's a beautiful place for honeymoon.