Assuming that you are in Raipur. I would advise you to take a flight to Kolkata from where you can take comparatively cheaper flights to Andaman, Kuala Lumpur, Bangkok or Singapore. All these destinations are idea; for solo travel. Under budget, you may travel to Vishakhapatnam and Araku.
Mumbai and Ahmedabad are connected with some superfast trains which take about 7-8 hours. You can also book Ola Outstation and get driven to Mumbai or take a Zoom Car and drive yourself.
You can travel in Karnawati Express and being Gujrati it would be convenient if you can stay with your family in Dadar Swaminarayan Mandir that has a lodging and boarding behind the main Temple.
Hey Doc, It depends upon the location, if you are going to a place where there are a lot of adventurous activities like Goa, Dandeli, Pondicherry, Manali, then definitely Friends, if you are going to a serene location, then hard to look behind family
For one night and two day ,including bus fare ,hotel ,food and travelling around 3 k will be sufficient ,it depends from where u reach Ooty and how do u travel around Ooty.
By road: Take a bus or a cab from New Delhi to Bhuntar. Change the bus at Bhuntar and leave for Malana Village(even from Kasol you need to come Malana Village). Hire a taxi(if coming by bike parking may be a issue to face) from the village to a dam area, a 3 km drive from Malana. Once you arrive at the dam, you will have to trek 4 km to reach the destination.